Ama‘al G. Yasser. (2008). Acute toxicity of endosulfan to immature and adult Gastropods Lymnaea Radix cor( Annandale and Prashad , 1919). University of Thi-Qar Journal of Science, 1(2), 13-18. https://jsci.utq.edu.iq/index.php/main/article/view/266