Abd Ghafar, Adam Danial, and Rosniza Hussin. “Study the Hydrophobicity Oleophilicity Properties of Kapok Fibre and Its Performance in Diesel Water Filtration”. Progress in Engineering Application and Technology, vol. 3, no. 1, June 2022, pp. 868-7, https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/6308.