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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Castillo Roque, C. A., Yupanqui Leon, W. C., Vasquez Llave, T. G., Canazas Rodriguez, J. C., Silva Vidal, Y. L., & Garate Delgado, J. F. (2026). Ergonomic optimization of a manual wheeled furrowing implement (IMRS) using user-centered design methodologies: a case study in Peruvian smallholder agriculture. Eastern-European Journal of Enterprise Technologies, 2(1 (140), 42–56. https://doi.org/10.15587/1729-4061.2026.352159 |
17.09.2026 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Ganchev T., V. Markova, I. Valcheva-Georgieva1, I. Dobrev. Assessment of pollution with heavy metals and petroleum products in the sediments of Varna Lake. REVIEW OF THE BULGARIAN GEOLOGICAL SOCIETY, vol. 83, part 2, 2022, p. 3–9. https://doi.org/10.52215/rev.bgs.2022.83.2.3, Web of Science |
25.11.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Ganchev, T., Markova, V., Valcheva-Georgieva, Iv. & Dobrev, I. Pollution of Varna Lake and possibilities of using the pollutants as resources. E3S Web Conf. Volume 404, 2023. International Conference on Electronics, Engineering Physics and Earth Science (EEPES 2023). DOI https://doi.org/10.1051/e3sconf/202340403002 , SCOPUS |
25.11.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äðóãè ïóáëèêàöèè
| Öàíêîâ, Ñ. Ñòàíêîâà, È. Âúë÷åâà. Ðåëåôîîáðàçóâàòåëíè ïðîöåñè â þãîèçòî÷íàòà ïåðèôåðèÿ íà áúëãàðñêàòà êîíòèíåíòàëíà ìèêðîïëî÷à. Â: - Ñáîðíèê ñ ðåçþìåòà îò VII íàó÷íà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ãåîãðàôèÿ, ðåãèîíàëíî ðàçâèòèå è òóðèçúì“, 7-9.11.2025 ã., Óíèâ. Èçä.-âî, Øóìåí, 59-60, ISBN 978-619-201-885-6 |
19.11.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äðóãè ïóáëèêàöèè
| Öàíêîâ, Ñ. Ñòàíêîâà, È. Âúë÷åâà. Ðåëåôîîáðàçóâàòåëíè ïðîöåñè â þãîèçòî÷íàòà ïåðèôåðèÿ íà áúëãàðñêàòà êîíòèíåíòàëíà ìèêðîïëî÷à. Â: - Ñáîðíèê ñ ðåçþìåòà îò VII íàó÷íà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ãåîãðàôèÿ, ðåãèîíàëíî ðàçâèòèå è òóðèçúì“, 7-9.11.2025 ã., Óíèâ. Èçä.-âî, Øóìåí, 59-60, ISBN 978-619-201-885-6 |
19.11.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Valcheva, Iv., Sv. Stankova, Iv. Keranova-Valcheva. 2025. Provadia: new horizons for the development of alternative tourism. Vol. 8 (2025): 8th International Scientific Conference \\\"Challenges of Tourism and Business Logistics in the 21st Century\\\" - (ISCTBL), 7 may, 2025, 242-252, ISBN 978-608-277-112-0, COBISS.MK-ID 66360069, ÓÄÊ: 338.48-6:379.845(497.2-18) 338.48-6:7/8(497.2-18) |
19.11.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äðóãè ïóáëèêàöèè
| Ö. Öàíêîâ, Ñ. Ñòàíêîâà, È. Âúë÷åâà. Ïðîèçõîä è åâîëþöèÿ íà ðåëåôà íà Áàëêàíñêèÿ ïîëóîñòðîâ. Ñáîðíèê ñ ðåçþìåòà îò Ìåæäóíàðîäíà íàó÷íà êîíôåðåíöèÿ \"Àêòóàëíè àñïåêòè íà ãåîãðàôèÿòà ïðåç ÕÕI âåê\", Èçä. \"ÈÒÈ\"Â. Òúðíîâî, ISBN 978-619-7602-90-6 |
19.11.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
 ñáîðíèê
| Äðóãè ïóáëèêàöèè
| Ôàäëèåâà, Ä., Ñâ. Ñòàíêîâà, Èâ. Âúë÷åâà-Ãåîðãèåâà, Ö. Öàíêîâ. Ñòðîåæ è ðàçâèòèå íà Åìèíñêà ïëàíèíà. Â: - Ñáîðíèê ñ ðåçþìåòà îò VI íàó÷íà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ãåîãðàôèÿ, ðåãèîíàëíî ðàçâèòèå è òóðèçúì“, 8-10.11.2024 ã., ÓÈ „Åïèñêîï Ê. Ïðåñëàâñêè“, Øóìåí, 52-53, ISBN 978-619-201-793-4 |
17.11.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
 ñáîðíèê
| Äîêëàäè
| Valcheva, Iv., Sv. Stankova, Iv. Keranova-Valcheva. 2025. Provadia: new horizons for the development of alternative tourism. Vol. 8 (2025): 8th International Scientific Conference \\\"Challenges of Tourism and Business Logistics in the 21st Century\\\" - (ISCTBL), 7 may, 2025, 242-252, ISBN 978-608-277-112-0, COBISS.MK-ID 66360069, ÓÄÊ: 338.48-6:379.845(497.2-18) 338.48-6:7/8(497.2-18) |
13.10.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Markova V., Z. Petrova,I. Valcheva-Georgieva, Assessing Musculoskeletal Health Risks in Standing Occupations. International Conference on Electronics, Engineering Physics and Earth Science (EEPES 2025) 2025, 104(1), 74; Published: 3 September 2025, https://doi.org/10.3390/engproc2025104074
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13.10.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
 ñáîðíèê
| Ñòàòèè
| Tzankov, Tz., Sv. Stankova, Iv. Georgieva-Valcheva. 2024. Black Sea Morphotectonic Nature. Acta Scientifica Naturalis, University of Shumen, Vol. 11, No 1, 2024, 50-55, DOI: 10.2478/asn-2024-0005 Online ISSN 2603-347X |
13.10.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
 ñáîðíèê
| Äîêëàäè
| Valcheva, Iv., Sv. Stankova, Iv. Keranova-Valcheva. 2025. Provadia: new horizons for the development of alternative tourism. Vol. 8 (2025): 8th International Scientific Conference \\\"Challenges of Tourism and Business Logistics in the 21st Century\\\" - (ISCTBL), 7 may, 2025, 242-252, ISBN 978-608-277-112-0, COBISS.MK-ID 66360069, ÓÄÊ: 338.48-6:379.845(497.2-18) 338.48-6:7/8(497.2-18) |
13.10.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Ganchev, T., Markova, V., Valcheva-Georgieva, Iv. & Dobrev, I. Pollution of Varna Lake and possibilities of using the pollutants as resources. E3S Web Conf. Volume 404, 2023. International Conference on Electronics, Engineering Physics and Earth Science (EEPES 2023). DOI https://doi.org/10.1051/e3sconf/202340403002 |
27.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Ganchev T., V. Markova, I. Valcheva-Georgieva1, I. Dobrev. Assessment of pollution with heavy metals and petroleum products in the sediments of Varna Lake. REVIEW OF THE BULGARIAN GEOLOGICAL SOCIETY, vol. 83, part 2, 2022, p. 3–9. https://doi.org/10.52215/rev.bgs.2022.83.2.3
|
27.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Ñòàòèè
| Ãåîðãèåâà, È., Ã. Ãåîðãèåâ. 2014. Ìèíåðàëíèòå èçâîðè â Ðèëà ïëàíèíà – óñëîâèå çà ðàçâèòèå íà áàëíåîëîæêè òóðèçúì. Â: - Ñá. Ïúòóâàíèÿ èç Áúëãàðèÿ 2012 – 2013 ã.(Ðåçóëòàòè îò òåðåííè ãåîãðàôñêè ïðàêòèêè è íàó÷íè åêñïåäèöèè), ØÓ, 54-59 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Ñòàòèè
| Êðóìîâà, Ç., È. Ãåîðãèåâà. 2014. Âîäíîòî áîãàòñòâî íà Ðèëà ïëàíèíà. Â: - Ñá. Ïúòóâàíèÿ èç Áúëãàðèÿ 2012 – 2013 ã. (Ðåçóëòàòè îò òåðåííè ãåîãðàôñêè ïðàêòèêè è íàó÷íè åêñïåäèöèè), ØÓ, 25-31 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Ñòàòèè
| Ìèðåëà Ìàðèíîâà, Êðèñòèíà Êàìåíîâà, Èâàëåíà Ãåîðãèåâà, 2015. Ñåâåðåí äæåíäåì – íàé-âèñîêî ðàçïîëîæåíèÿò ðåçåðâàò â íàöèîíàëåí ïàðê „öåíòðàëåí áàëêàí”. Â:Ñá. ñòàòèè „Ïúòóâàíèÿ èç Áúëãàðèÿ (ðåçóëòàòè îò òåðåííè ãåîãðàôñêè ïðàêòèêè è íàó÷íè åêñïåäèöèè)”, Ø., Óíèâ.èçä-âî |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
 ñáîðíèê
| Ñòàòèè
| Äèìèòúð Äèìèòðîâ, Ãåðãàíà Õðèñòîâà, àñ. Èâàëåíà Ãåîðãèåâà, 2015. Kðóøóíñêèòå âîäîïàäè – íàé-ãîëÿìàòà òðàâåðòèíîâà êàñêàäà â áúëãàðèÿ. Â:Ñá. ñòàòèè „Ïúòóâàíèÿ èç Áúëãàðèÿ (ðåçóëòàòè îò òåðåííè ãåîãðàôñêè ïðàêòèêè è íàó÷íè åêñïåäèöèè)”, Ø., Óíèâ.èçä-âî |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Õðèñòîâà Ð., È. Âúë÷åâà-Ãåîðãèåâà, 2014. Áèîñòðàòèãðàôñêè àíàëèç íà êâàòåðíåðíèòå ñåäèìåíòè îò Áúëãàðñêèÿò ÷åðíîìîðñêè øåëô. Â: ñáîðíèê îò Ìåæóíàðîäíà êîíôåðåíöèÿ “Ãåîãðàôñêè íàóêè è îáðàçîâàíèå”, ISBN: 978-619201-012-6, 16-21 |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Ìàðèíîâà, Ì., Ñ. Êîëåâà, È. Âúë÷åâà-Ãåîðãèåâà, 2014. Çàùèòåíèòå òåðèòîðèè ïî ñåâåðíîòî ÷åðíîìîðñêî êðàéáðåæèå è ðîëÿòà èì çà ðàçâèòèå íà åêîëîãè÷åí òóðèçúì. Protected areas in northern Black sea coast and heir role in the development of ecological tourism. Second student scientific conference “Ecology and environment”, University of Shumen 16-17 may |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Õðèñòîâà, Ð., È. Âúë÷åâà-Ãåîðãèåâà, 2015. Ïàëåîåêîëîãè÷íè óñëîâèÿ ïðåç ãîðíèÿ ïëåéñòîöåí è õîëîöåíà â ðàéîíà íà Ïàøà äåðå. Â: ñáîðíèê îò Ìåæäóíàðîäíà êîíôåðåíöèÿ “Ãåîãðàôñêè íàóêè è îáðàçîâàíèå”, ISBN: 978-619-201-105-5, 138-143 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Ãåîðãèåâà, È., 2015. Ìîðôîõèäðîãðàôñêà è ìîðôîìåòðè÷íà õàðàêòåðèñòèêà íà âîäîñáîðíèÿ áàñåéí íà ðåêà Ñåíêîâåö. Â:Ñáîðíèê äîêëàäè îò ×åòâúðòà ìåæäóíàðîäíà êîíôåðåíöèÿ: áàëêàíèòå-åçèê, èñòîðèÿ, êóëòóðà, Â. Òúðíîâî, 18-20 îêòîìâðè, 2013, ISSN 1314-4065, 425-429 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Ãåîðãèåâà, È., Ñâ. Ñòàíêîâà. 2015. Ñúâðåìåííè ìîðôîãåíåòè÷íè ïðîöåñè âúâ âîäîñáîðíèÿ áàñåéí íà ðåêà Ñåíêîâåö. Â: Ñá äîêëàäè îò Þáèëåéíà ìåæäóíàðîäíà íàó÷íà êîíôåðåíöèÿ \"50-ãîäèíè Âåëèêîòúðíîâñêè óíèâåðñèòåò \"Ñâ.ñâ. Êèðèë è Ìåòîäèé\"\", 10 ìàé, 2013, Â. Òúðíîâî, ISBN978-619-208-002-0, 316-321 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Âúë÷åâà-Ãåîðãèåâà, È., Ñâ. Ñòàíêîâà, 2016. Geomorphology, construction and development of the Batova liman (Ãåîìîðôîëîãèÿ, ñòðîåæ è ðàçâèòèå íà Áàòîâñêèÿ ëèìàí). Äåñåòà íàó÷íà êîíôåðåíöèÿ „Áúëãàðèÿ, áúëãàðèòå è Åâðîïà – ìèò, èñòîðèÿ, ñúâðåìèå“. Âåëèêî Òúðíîâî. |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ðåôåðèðàíè èçäàíèÿ
| Äîêëàäè
| Ôàäëèåâà, Ä., Ñâ. Ñòàíêîâà, Èâ. Âúë÷åâà-Ãåîðãèåâà, Ö. Öàíêîâ. Ñòðîåæ è ðàçâèòèå íà Åìèíñêà ïëàíèíà. Â: - Ñáîðíèê ñ ðåçþìåòà îò VI íàó÷íà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ãåîãðàôèÿ, ðåãèîíàëíî ðàçâèòèå è òóðèçúì“, 8-10.11.2024 ã., ÓÈ „Åïèñêîï Ê. Ïðåñëàâñêè“, Øóìåí, 46-47, ISBN 978-619-201-793-4 |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ðåôåðèðàíè èçäàíèÿ
| Äîêëàäè
| Èâàëåíà Ãåîðãèåâà, Òîäîð Ãàí÷åâ, Âàëåíòèíà Ìàðêîâà, Ñîíÿ Âú÷èíñêà. Çíà÷åíèåòî íà íàðú÷íèêà „Äîáðè ïðàêòèêè çà óïðàâëåíèå íà âîäíàòà åêîñèñòåìà âúâ Âàðíåíñêîòî åçåðî“. Â: - Ñáîðíèê ñ ðåçþìåòà îò VI íàó÷íà êîíôåðåíöèÿ ñ åæäóíàðîäíî ó÷àñòèå „Ãåîãðàôèÿ, ðåãèîíàëíî ðàçâèòèå è òóðèçúì“, 8-10.11.2024 ã., ÓÈ „Åïèñêîï Ê. Ïðåñëàâñêè“, Øóìåí, 46-47, ISBN 978-619-201-793-4 |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Tzanko Tzankov, Svetla Stankova and Ivalena Georgieva-Valcheva. Black Sea Morphotectonic Nature. Acta Scientifica Naturalis, Volume 11 (2024): Issue 1 (March 2024), Published Online: Apr 04, 2024, p 50 – 55, DOI: https://doi.org/10.2478/asn-2024-0005, https://sciendo.com/issue/ASN/11/1 |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Ganchev, T., Markova, V., Valcheva-Georgieva, Iv. & Dobrev, I. Pollution of Varna Lake and possibilities of using the pollutants as resources. E3S Web Conf. Volume 404, 2023. International Conference on Electronics, Engineering Physics and Earth Science (EEPES 2023). DOI https://doi.org/10.1051/e3sconf/202340403002 |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Ganchev T., V. Markova, I. Valcheva-Georgieva1, I. Dobrev. Assessment of pollution with heavy metals and petroleum products in the sediments of Varna Lake. REVIEW OF THE BULGARIAN GEOLOGICAL SOCIETY, vol. 83, part 2, 2022, p. 3–9. https://doi.org/10.52215/rev.bgs.2022.83.2.3 |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Ñòàòèè
| Vulcheva-Georgieva, Iv., Sv. Stankova. 2017. Geomorphology of outflow part Batova river valley, Acta Scientifica Naturalis. Volume 4, Issue 1, Pages 94–99, ISSN (Online) 2367-5144, DOI: https://doi.org/10.1515/asn-2017-0015, February 2017, SJIF – 2.723 |
17.01.2025 |
|
Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Äîêëàäè
| Âúë÷åâà-Ãåîðãèåâà, È., Ð. Õðèñòîâà, 2016. Ïàëåîåêîëîãèÿ íà êâàòåðíåðíè ñåäèìåíòè îò Áúëãàðñêèÿ ñåêòîð íà ×åðíî ìîðå. Â: ñáîðíèê îò Ìåæäóíàðîäíà êîíôåðåíöèÿ “Ãåîãðàôñêè íàóêè è îáðàçîâàíèå” |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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 ñáîðíèê
| Ñòàòèè
| Stankova, Sv., I. Georgieva. Geomorphology, construction and development of the Durankulak and Shabla-Ezerets limans. Acta Scientifica Naturalis, University of Shumen, volume 1, 2015, 271-278, ISSN 2367-5144, SJIF – 2.723 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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| Äîêëàäè
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17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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| Öàíêîâ, Ö., Ñ. Ñòàíêîâà, È. Âúë÷åâà-Ãåîðãèåâà. Âúçíèêâàíå íà àëïèéñêèòå ãúíêîâè ñòðóêòóðè â èçòî÷íàòà ÷àñò íà Áàëêàíñêèÿ ïîëóîñòðîâ. – Â: Ñáîðíèê äîêëàäè îò íàó÷íà êîíôåðåíöèÿ „30 ãîäèíè êàòåäðà „Ãåîãðàôèÿ” âúâ ÂÒÓ, Â. Òúðíîâî, 28-29 íîåìâðè, 2014, 17-20, ISBN 978-954-2968-96-2 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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| Âúë÷åâà-Ãåîðãèåâà, È. 2012. Êðàåâåäñêî ïðîó÷âàíå íà ñ. ßãíèëî. Â: ñáîðíèê îò Ìåæóíàðîäíà êîíôåðåíöèÿ “Ãåîãðàôñêè íàóêè è îáðàçîâàíèå”, Øóìåí, 2012, ISBN 978-954-577-653-3, Øóìåí, 2012, 73-78, ISBN 978-954-577-653-3 |
17.01.2025 |
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Ãë. àñ. ä-ð èíæ. Èâàëåíà Æèâêîâà Âúë÷åâà
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Äðóãè
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