Oladipo, B. (2019) “Acid-Catalyzed Pretreatment Of Hevea Brasiliensis (Rubber) Oil Via Esterification Process: Modeling And Optimization Studies”, Ife Journal of Technology, 26(1), pp. 1–6. Available at: http://ijt.oauife.edu.ng/index.php/ijt/article/view/139 (Accessed: 11 October 2025).