Nasir, Mohammad Ibrahim, Md. Zakir Hossain, and P. A. Charpentier. “Synthesis and Characterization of Date Palm Fiber-Based Bio-Char and Activated Carbon and Its Utilization for Environmental Remediation”. Journal of Petroleum Research and Studies 8, no. 2 (July 1, 2018): 209-222. Accessed May 5, 2024. https://jprs.gov.iq/index.php/jprs/article/view/245.