KRSTIĆ, Svetislav; MELOVSKI, Ljupčo; LEVKOV, Zlatko; STOJANOVSKI, Panče. Complex investigations on the river Vardar. II. The most polluted sites in the first three months. Macedonian Journal of Ecology and Environment, [S. l.], v. 2, n. 2, p. 13–29, 1994. Disponível em: http://mjee.org.mk/index.php/mjee/article/view/25. Acesso em: 2 nov. 2026.