Amiruddin AN, Mat Noor F. Extraction and characterization of hydroxyapatite (HA) from eggshell by precipitation method for bone implant coating: A Case Study. rpmme [Internet]. 2022 Aug. 14 [cited 2026 Apr. 8];3(1):56-67. Available from: https://penerbit.uthm.edu.my/periodicals/index.php/rpmme/article/view/3595