Teodora Yankova. "MINING DAMAGED LANDSCAPE RECLAMATION STUDY." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Science and Technologies in Geology, Exploration And Mining, 2021, pp. 383-390. https://doi.org/10.5593/sgem2021/1.1/s04.071