MOHAMAD KETAR@MOKHTAR, N. I.; HARUN, H. Synthesis of Magnetic Biochar Derived from Oil Palm Frond for Waste Cooking Oil Treatment. Progress in Engineering Application and Technology, [S. l.], v. 2, n. 2, p. 116–126, 2021. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/944. Acesso em: 28 jun. 2022.