Investigation of Selected Heavy Metals Among Tabbed Freshwater Species as Bioindicator of Freshwater Pollution in River Etai in Northern Pakistan. Physical Education, Health and Social Sciences, [S. l.], v. 3, n. 1, p. 1–11, 2025. DOI: 10.63163/jpehss.v3i1.166. Disponível em: https://journal-of-social-education.org/index.php/Jorunal/article/view/166. Acesso em: 6 may. 2026.