1.
Rahman MM, Akter M, Siddik AB, Islam MW, Afrin S, Afroze M, et al. Purification of waste engine oil using raw clay, acid treated clay and clay/activated charcoal. J Bangladesh Acad Sci [Internet]. 2024 Jun. 15 [cited 2025 Oct. 27];48(1):121-34. Available from: https://banglajol.info/index.php/JBAS/article/view/70241