KOLČAKOVSKI, D. Categorization of the important caves in the Republic of Macedonia. Macedonian Journal of Ecology and Environment, [S. l.], v. 1, n. 1-2, p. 43–51, 1993. Disponível em: http://mjee.org.mk/index.php/mjee/article/view/4. Acesso em: 18 may. 2024.