YUSUF, Zaharadeen; HAZZEMAN; MD SASH, Amir Shah; OBINNA, George. Environmental assessment of Sungai Perai, Penang, by using zooplankton as a bio-indicator. Journal of Biological Studies, [S. l.], v. 8, n. 1, p. 48–66, 2025. DOI: 10.62400/jbs.v8i1.13545. Disponível em: https://onlinejbs.com/index.php/jbs/article/view/13545. Acesso em: 1 may. 2026.