Fariha Mohd Idrus, Nurul, Nurul´ Ain Jamion, Qistina Omar, Sheikh Ahmad Izaddin Sheikh Md Ghazali, Zaiton Abdul Majid, and Soon Kong Yong. “Magnesium-Impregnated Biochar for the Removal of Total Phosphorous from Artificial Human Urine”. International Journal of Engineering and Technology 7, no. 3.11 (July 21, 2018): 218–222. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/15966.