NIKOLOV, V.; NIKOLOVA, M. GEOMORPHOLOGICAL STUDIES OF JOVAN CVIJIĆ IN BULGARIA. Journal of the Geographical Institute “Jovan Cvijić” SASA, [S. l.], v. 66, n. 1, p. 169–176, 2016. DOI: 10.2298/IJGI1601169N. Disponível em: https://ojs.gi.sanu.ac.rs/index.php/zbornik/article/view/251. Acesso em: 28 mar. 2024.