Kamarulzaman, Nur Atiqah Alya, et al. “Study of Effectiveness Longan Seed As Natural Coagulants for Textile Wastewater Treatment”. Multidisciplinary Applied Research and Innovation, vol. 6, no. 3, May 2025, pp. 78-89, https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/17076.