TY - CPAPER AU - Marian Varbanov AU - Kristina Gartsiyanova AU - Stefan Genchev AU - Gergana Metodieva TI - ASSESSMENT OF THE CHEPINSKA RIVER WATERS QUALITY THROUGH THE COMBINED USE OF DIFFERENT INDICES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Water Resources. Forest, Marine and Ocean Ecosystems, Vol 23, Issue 3.2 PY - 2023 SP - 35 EP - 42 DO - 10.5593/sgem2023v/3.2/s12.05 PB - STEF92 Technology ER -