TY  - CPAPER
AU  - Ivaylo Ivanov
TI  - THE ENVIRONMENT AT REGIONAL LEVEL: STUDY, EVALUATION AND PROBLEMS
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation
PY  - 2019
SP  - 793
EP  - 800
DO  - 10.5593/sgem2019/5.3/s21.100
PB  - STEF92 Technology
ER  -