Donka Shopova, Olga Nitcheva. "ASSESSMENT OF ENVIRONMENTAL FLOW REQUIREMENTS ACCORDING TO BULGARIAN WATER LAW." SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems (2022): 65-72. https://doi.org/10.5593/sgem2022/3.1/s12.08