Kangkan, S, P Arpornmaeklong, and S Ummartyotin. 2020. “Synthesis of Hydroxyapatite from Cuttlebone under Various PH Conditions: An Approach for Medical Materials”. Journal of Metals, Materials and Minerals 30 (2). Bangkok, Thailand. https://doi.org/10.55713/jmmm.v30i2.741.