Nadhir, Damba, and Djaber Abdelkrim. “Monitoring of the Physico-Chemical Quality of a Frying Oil and Its Valorization As Biofuel (Biodiesel)”. International Journal of Advanced Natural Sciences and Engineering Researches 7, no. 4 (April 22, 2023): 25–29. Accessed April 27, 2024. https://as-proceeding.com/index.php/ijanser/article/view/539.