Maysam Alaa Baiee, Jasim M. Salman. 2022. “Effect of Phosphorus Concentration and Light Intensity on Protein Content of Microalga Chlorella Vulgaris”. Mesopotamia Environmental Journal (mesop. Environ. J) ISSN: 2410-2598 2 (2):75-86. https://mej.uobabylon.edu.iq/index.php/mej/article/view/124.