Khahtan Sabree, Israa, and Ola Saleh Mahdi. 2018. “Characterization of Zirconia- Hydroxyapatite Nanocomposites for Orthopedic and Dental Applications”. International Journal of Engineering & Technology 7 (4.19): 926-30. https://doi.org/10.14419/ijet.v7i4.19.28072.