An environmental study of the effect of toxicity of some heavy metals on the survival and survival of carp (Cyprinus carpio L.) fingerlings taken from the Martyr’s Monument pond (Iraq - Baghdad). Journal of the College of Basic Education, [S. l.], v. 21, n. 90, p. 137–156, 2022. DOI: 10.35950/cbej.v21i90.6884. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6884.. Acesso em: 8 may. 2025.