ROBERT , Olendi. The Effects of Suspended Particles on Opercula Beats and Cough Rates in Oreochromis niloticus (Bangkok Strain) . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 2, n. 3, p. Pg 242–248, 2015. Disponível em: http://ajest.org/index.php/ajest/article/view/635. Acesso em: 3 apr. 2026.