Maulana MS, V., Hendrix Yulis Setyawan, and Mohd Zulkhairi bin Mohd Yusuf. “Effect of Silica Sand Addition in Fluidized Bed Reactor on Productivity and Efficiency of Struvite Crystal Formation : English”. International Seminar on Plant Protection, vol. 1, no. 1, June 2025, pp. 201-6, https://semnas.bpfp-unib.com/index.php/seminter/article/view/335.