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Awad, M., Hreeba, K. . and Elkhidr, H. (2023) “Production of Biodiesel From Waste Cooking Oil”, Journal of Humanitarian and Applied Sciences , 7(13), pp. 372–381. Available at: https://khsj.elmergib.edu.ly/index.php/jhas/article/view/243 (Accessed: 3 July 2024).