Allen, M. A., Nwosu-Obieogu, K., Erokare, T. E., Okoye, J., Francis, M. U., Nwogu, C. N., & Itiri, H. (2025). Transesterification of Waste Frying Oil Using Alkaline Activated Waste Marble Catalyst: Effects of Process Parameters, Modeling, and Optimization. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, 21(3), 717 - 731. Retrieved from https://www.azojete.com.ng/index.php/azojete/article/view/1116