Daud, Amir Haidhar, and Rosniza Hussin. “Kapok (Ceiba Pentandra (L.) Fiber for Removal of Spilled Oil”. Progress in Engineering Application and Technology, vol. 4, no. 1, May 2023, pp. 495-04, https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/10237.