TY - CPAPER AU - Velimira Stoyanova AU - Tsvetan Kotsev AU - Emilia Tcherkezova AU - Georgi Zhelezov AU - Nelly Koleva TI - LAND COVER CHANGES IN THE OGOSTA VALLEY FOR THE PERIOD 1993-2019 T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Informatics, Geoinformatics and Remote Sensing PY - 2020 SP - 233 EP - 240 DO - 10.5593/sgem2020/2.2/s10.028 PB - STEF92 Technology ER -