“Mycoremedation of Total and Hexavlent Chromium from Tannery Wastewater Using Fungus Trichoderma Harizianum”. 2022. Mesopotamia Environmental Journal (mesop. Environ. J) ISSN: 2410-2598 2 (3): 34-41. https://mej.uobabylon.edu.iq/index.php/mej/article/view/110.