Bisserka Marinova. "ISSUES IN CRETION AND USE OF ROADS IN AGRICULTURAL AREAS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation, 2019, pp. 493-500. https://doi.org/10.5593/sgem2019/5.4/s23.065