Amiruddin, A.N. and Mat Noor, F. (2022) “Extraction and characterization of hydroxyapatite (HA) from eggshell by precipitation method for bone implant coating: A Case Study”, Research Progress in Mechanical and Manufacturing Engineering, 3(1), pp. 56–67. Available at: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/3595 (Accessed: 12 March 2026).