“Utilizing Peganum Harmala Plant As a Catalyst for Producing Biodiesel from Waste Cooking Oil: A Practical Method for Recycling Used Oil into Biodiesel”. Indian Journal of Chemical Technology (IJCT) 32, no. 4 (August 8, 2025): 497–503. Accessed May 14, 2026. https://or.niscpr.res.in/index.php/IJCT/article/view/10402.