KOLEV, V. Fecundity of Sqalius orpheus from the rivers Stryama and Chepinska. Macedonian Journal of Ecology and Environment, [S. l.], v. 23, n. 1, p. 25–35, 2021. Disponível em: https://mjee.org.mk/index.php/mjee/article/view/172. Acesso em: 23 sep. 2021.