| Heavy metal and metalloid concentrationdynamics in mine and surface waters in the vicinity of Chiprovtsi and Martinovo, mines, northwestern Bulgaria D Dimitrova, Z Cholakova, N Velitchkova, N Kotsev, V Mladenova, ... Δελτίον της Ελληνικής Γεωλογικής Εταιρίας 40 (3), 1397-1408, 2007 | 11 | 2007 |
| Mineralogy of the heavy metal and metalloid pollution of the Ogosta river floodplains, NW Bulgaria V Mladenova, T Kotsev, I Ivanova, Z Cholakova, D Dimitrova, RT Schmitt National Conference with International Participation “Geosciences 2008 …, 2008 | 7 | 2008 |
| Arsenic and heavy metal vertical distribution in soil of the Ogosta River low floodplain, NW Bulgaria T KOTSEV, V MLADENOVA, Z CHOLAKOVA, D DIMITROVA Proc. of the Intern. Scientific Conference “Sustainable Mountain Regions …, 2015 | 5 | 2015 |
| Assessment of heavy metal and arsenic concentrations in the waters of Chiprovska river catchment Z Cholakova, T Kotsev, V Mladenova, D Dimitrova, I Georgieva Proceedings of International Scientific Conference" Global changes and …, 2006 | 5 | 2006 |
| Heavy metals and metalloids content assessment in mine waters from Martinovo and Chiprovtsi mines, Northwestern Bulgaria D Dimitrova, N Velitchkova, T Kotsev, D Antonov, Z Cholakova Proceedings of Jubilee International Conference “80 years Bulgarian …, 2006 | 5 | 2006 |
| Geochemical peculiarities of migration and concentration of some heavy metals in the Iskar River basin in Stara Planina Mountain Z Cholakova First international conference human dimensions of global change, 22-24, 2004 | 5 | 2004 |
| Preliminary investigation on arsenic fractionation in soil from Ogosta river floodplain using a seven-step extraction procedure M Senila, T Kotsev, E Levei, M Roman, V Mladenova, Z Cholakova, ... Studia Chemia 2 (3), 333-344, 2016 | 3 | 2016 |
| Comparative analysis of the content of heavy metals in the soils of karst landscapes Z Cholakova Journal of the Bulgarian Geographical Society 40, 24-29, 2019 | 2 | 2019 |
| Content and composition of organic matter in heavy metal polluted alluvial soils from Ogosta River basin. E Filcheva, T Kotsev, Z Cholakova, K Chakalov, T Popova | 2 | 2011 |
| Pollution with arsenic and heavy metals of soils ans some components of the use food chain in the environment of goliam bukovets mine tailings impoundment, Chiprovtsi mining … V Mladenova, T Kotsev, Z Cholakova, RT Schmitt, I Ivanova, D Dimitrova Επιστημονική Επετηρίδα του Τμήματος Γεωλογίας (ΑΠΘ) 100, 105-112, 2010 | 2 | 2010 |
| Landscape-Geochemical Approach for Evaluation of the Iskar River Basin State in the Western Balkan Mountain (Bulgaria) Z Cholakova Proceedings of BALWOIS Conference on Water Observation and Information …, 2006 | 2 | 2006 |
| Environmental impact of the Golyam Bukovets tailing pond on the soils, plants and some elements of the food chain, Chiprovtsi mining area, NW Bulgaria V Mladenova, T Kotsev, Z Cholakova, RT Schmitt, I Ivanova Geosciences 5, 292-295, 2006 | 2 | 2006 |
| Structure and Peculiarities of the Karst Landscapes in the Besaparski Ridges I Tamburadzhiev, Z Cholakova Smart Geography: 100 Years of the Bulgarian Geographical Society, 289-302, 2020 | 1 | 2020 |
| Efficiency of the Chiprovtsi mining site remediation with regard to heavy metal and arsenic environmental pollution T Kotsev, Z Cholakova, V Mladenova, D Dimitrova Επιστημονική Επετηρίδα του Τμήματος Γεωλογίας (ΑΠΘ) 39 (1/2), 206-207, 2010 | 1 | 2010 |
| Heavy metal contamination in Malki Iskar River Basin during floods and high waves. T Kotsev, M Nikolova, Z Cholakova, S Nedkov Pochvoznanie, Agrokhimiya i Ekologiya 43 (2), 78-96, 2009 | 1 | 2009 |
| Assessment of contemporary structure and geoecological status of the landscape in Gaber cettle (Burel) M Konteva, R Penin, Z Cholakova, B Momerova Proceedings of the Fifth International Conference “Global Changes …, 2008 | 1 | 2008 |
| Associate Professor PhD Mimoza Konteva–A Life Dedicated to Landscape Science (1952-2018) Z Cholakova Journal of the Bulgarian Geographical Society 42, 108-114, 2020 | | 2020 |
| Замърсяване с тежки метали в басейна на река Малки Искър при наводнения и речни прииждания T Kotsev, S BAS, M Nikolova, S BAS, Z Cholakova, S Nedkov | | 2009 |
| CONTEMPORARY STATE AND GEOECOLOGICAL PROBLEMS OF THE LANDSCAPES IN BERKOVSKA AND KOZNITSA MOUNTAINS (WEST STARA PLANINA) M Konteva, R Penin, N Todorov, Z Cholakova, D Zhelev, B Momerova, ... Lithosphere 18 (1000), 83, 0 | | |
| Пространствена структура и геоекологични Проблеми на ландшафтите в малешевска Планина N Todorov, R Penin, Z Cholakova, M Konteva, T Stoilkova | | |
