Zakeria, Nurul Rozaireen, et al. “Adsorption of Ammonia Nitrogen Using Variance Melons Rind As Adsorbent”. Multidisciplinary Applied Research and Innovation, vol. 3, no. 5, Jan. 2023, pp. 76-85, https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/8435.