Banik, SK, T Rabeya, M Hasan, D Saha, and MS Islam. “Bio-Lubricating Base Oil from Castor Oil (Ricinous Communus)”. Bangladesh Journal of Scientific and Industrial Research 57, no. 1 (March 30, 2022): 7–14. Accessed December 22, 2024. https://banglajol.info/index.php/BJSIR/article/view/58895.