PETROV , Kamen; STOYANOVA, Milena. GEO-ECONOMIC ASPECTS OF TOURISM DEVELOPMENT IN THE MOUNTAIN REGIONS AND RESORTS IN BULGARIA. Revista Inclusiones, [S. l.], v. 8, n. Esp., p. 127–135, 2020. Disponível em: https://www.revistainclusiones.org/index.php/inclu/article/view/893. Acesso em: 8 feb. 2026.