H. Hessam, H. Hessam, et al. “EVALUATING THE SURFACE PROPERTIES OF HYDROXYAPATITE COATING ON TITANIUM ALLOY SUBSTRATE”. Jurnal Mekanikal, vol. 36, no. 1, Apr. 2018, https://jurnalmekanikal.utm.my/index.php/jurnalmekanikal/article/view/65.