Salim, Hodaa, K., Khaled Y. Abdel-Halim, and Mahy, M. Mona. 2015. “Comparative Acute Toxicity of Certain Pesticides Against Daphnia Longispina”. Journal of Life Sciences Research 2 (2):40-43. http://mail.asianonlinejournals.com/index.php/Lifsc/article/view/620.