Arif Muzammil, et al. “Mengkaji Kombinasi Koagulan Semula Jadi Antara Umbut Pisang Dan Biji Betik Untuk Merawat Air Sisa”. Multidisciplinary Applied Research and Innovation, vol. 6, no. 3, May 2025, pp. 62-70, https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/17124.