Nida’a S.Hamad, Mayson M. Al-Taee, Enas R.Al-kidsawey 2022. Mycoremedation of total and hexavlent chromium from tannery wastewater using fungus Trichoderma harizianum. Mesopotamia Environmental Journal (mesop. environ. j) ISSN: 2410-2598. 2, 3 (Mar. 2022), 34–41.