“Effect of Photoperiod on Growth and Reproduction of Cyclops Varicans G. O. Sars, 1863 (Cyclopioda – Copepoda )”. Ibn AL-Haitham Journal For Pure and Applied Sciences 27, no. 2 (April 16, 2017): 51–59. Accessed July 16, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/327.