2022. 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. 21, 90 (Dec. 2022), 137–156. DOI:https://doi.org/10.35950/cbej.v21i90.6884.