Ha, L., D. Ngoc Thi Mai, and H. T. Cao. “Fabrication of Nano- or Micro-Powder for Hydroxyapatite Particles Derived from Bovine Bone”. Science and Technology Development Journal, Vol. 24, no. 1, Mar. 2021, pp. 875-83, doi:https://doi.org/10.32508/stdj.v24i1.2487.