El-Khairalla , Roaa. “Effects of Heavy Metal (Pb) on the Growth of Algae Microcystis Sp. & Chroococcus Sp. Roaa Jafar El-Khairalla ”. University of Thi-Qar Journal of Science 5, no. 2 (April 28, 2019): 65-71. Accessed August 17, 2026. https://www.jsci.utq.edu.iq/index.php/main/article/view/108.