RASYIDI, Danial; IBRAHIM, Ts. Dr. Aida binti Ibrahim. Effect of Infusion Duration of Pandan Leaves with Waste Cooking Oil in Soap Making Process. Progress in Engineering Application and Technology, [S. l.], v. 4, n. 1, p. 749–757, 2023. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/10430. Acesso em: 7 apr. 2026.