Oungkulsolmongkol, Theeranee, Pantip Salee-art, and Wantanee Buggakupta. “Hardness and Fracture Toughness of Alumina-Based Particulate Composites With Zirconia and Strontia Additives”. Journal of Metals, Materials and Minerals 20, no. 2 (April 15, 2017). Accessed April 19, 2024. https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/212.