Toibah, A. R., F. Misran, A. Shaaban, and Z. Mustafa. “Effect of PH Condition During Hydrothermal Synthesis on the Properties of Hydroxyapatite from Eggshell Waste”. Journal of Mechanical Engineering and Sciences 13, no. 2 (June 28, 2019): 4958–4969. Accessed April 19, 2024. https://journal.ump.edu.my/jmes/article/view/385.