Константин Колев, Nikolay Stoenchev, Nasko Iliev, Galin Milchev, Elena Stefanova. THEORETICAL AND CONCEPTUAL FRAMEWORK FOR RESEARCH ON COMPETITIVENESS OF FORESTRY COMPANY. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems, 2021, pp. 499-506. https://doi.org/10.5593/sgem2021/3.1/s14.82