Boonphayak, Piyanan, Sirikarn Khansumled, Adisorn Pinmanee, and Supakit Phromduang. 2018. “Preparation and Characterizations of Hydroxyapatite Substituted Boron Cement”. Asian Health, Science and Technology Reports 26 (4):142-50. https://doi.org/10.14456/nujst.2018.30.