| Water quality assessment of a river catchment by the composite water quality index and self-organizing maps G Yotova, M Varbanov, E Tcherkezova, S Tsakovski Ecological indicators 120, 106872, 2021 | 82 | 2021 |
| Principal component analysis and the water quality index—A powerful tool for surface water quality assessment: A case study on Struma River Catchment, Bulgaria I Benkov, M Varbanov, T Venelinov, S Tsakovski Water 15 (10), 1961, 2023 | 22 | 2023 |
| Water quality analysis of the rivers Topolnitsa and Luda Yana, Bulgaria using different indices K Gartsiyanova, M Varbanov, A Kitev, S Genchev Journal of Physics: Conference Series 1960 (1), 012018, 2021 | 11 | 2021 |
| Index assessment of the water quality–a case study of Bulgarian rivers M Varbanov, K Gartsiyanova Geography and Tourism 2 (5), 41-49, 2017 | 6 | 2017 |
| Analysis of the quality of river water in Sofia city district, Bulgaria M Varbanov, K Gartsiyanova, E Tcherkezova, A Kitev, S Genchev Journal of Physics: Conference Series 1960 (1), 012019, 2021 | 5 | 2021 |
| Territorial features and dynamics in the water quality change in the Topolnitsa and Luda Yana rivers K Gartsiyanova, M Varbanov, A Kitev, S Genchev, S Georgieva Journal of the Bulgarian Geographical Society 43, 9-15, 2020 | 5 | 2020 |
| Quality of the river water in the Danube drainage area M Varbanov, K Gartsiyanova Proceeding papers of Fourth International Conference “Geographical Science …, 2015 | 5 | 2015 |
| Water quality assessment and conservation of the river water in regions with various anthropogenic activities in Bulgaria: a case study of the catchments of Topolnitsa and Luda … K Gartsiyanova, A Kitev, M Varbanov, S Georgieva, S Genchev International Journal of Conservation Science 13 (2), 733-742, 2022 | 4 | 2022 |
| Complex activity and sensor potential toward metal ions in environmental water samples of N-phthalimide azo-azomethine dyes S Georgieva, A Bezfamilnyi, A Georgiev, M Varbanov Molecules 26 (19), 5885, 2021 | 4 | 2021 |
| VV-hemorphin-5 analogue for trace copper determination in water samples S Georgieva, P Todorov, P Peneva, M Varbanov, K Gartsiyanova Journal of the Iranian Chemical Society 17, 2885-2894, 2020 | 4 | 2020 |
| About some unfavourable natural processes in Struma river basin K Nacheva, G Belev, M Varbanov Science & Technologies 5 (2), 17-21, 2015 | 3 | 2015 |
| STATUS, PROBLEMS AND SOLUTIONS CONCERNING SURFACE WATER MANAGEMENT IN BULGARIA. K KOLCHEVA, M VARBANOV, K GARTSIYANOVA Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying …, 2023 | 2 | 2023 |
| Water Conservation and River Water Quality of the Bulgarian Black Sea Tributaries K Gartsiyanova, M Varbanov, A Kitev, S Genchev, E Tcherkezova International Journal of Conservation Science 13 (3), 981-990, 2022 | 2 | 2022 |
| Comparative analysis of indices assessment of river water quality M Varbanov, K Gartzianova J. Union of Scientists–Varna, Maritime Sciences Series, 3-10, 2015 | 2 | 2015 |
| Hydrological characteristics and related ecosystem services of Srebarna and Cerknica lakes G Zhelezov, M Varbanov, M Germ, A Gaberščik ПРОБЛЕМИ НА ГЕОГРАФИЯТА 1, 2, 2011 | 2 | 2011 |
| Assessment of physico-chemical status of waters in selected sampling sites of Chepelarska River, Bulgaria K Gartsiyanova, S Genchev, A Kitev, M Varbanov | 1 | |
| ASSESSMENT OF THE CHEPINSKA RIVER WATERS QUALITY (BULGARIA) THROUGH THE COMBINED USE OF DIFFERENT INDICES M Varbanov, K Gartsiyanova, S Genchev, G Metodieva International Multidisciplinary Scientific GeoConference: SGEM 23 (3.2), 35-42, 2023 | | 2023 |
| THE WATER SOURCES IN THE WATER SUPPLY SYSTEM OF THE TOWN OF BERKOVITSA M Temelkova, M Varbanov International Multidisciplinary Scientific GeoConference: SGEM 22 (3.1), 209-216, 2022 | | 2022 |
| TRENDS IN THE DEVELOPMENT OF HYDRO ENERGY IN BULGARIA AFTER 1989 M Temelkova, M Varbanov International Multidisciplinary Scientific GeoConference: SGEM 21 (4.1), 111-118, 2021 | | 2021 |
| ANALYSIS OF HEAVY METAL POLLUTION IN THE PIRDOPSKA AND MEDETSKA RIVERS, TRIBUTARIES OF THE TOPOLNITSA RIVER, BULGARIA K Gartsiyanova, M Varbanov, A Kitev, S Genchev International Multidisciplinary Scientific GeoConference: SGEM 21 (3.1), 17-26, 2021 | | 2021 |
