Prasanphan, S, A Wannagon, T Kobayashi, and S Jiemsirilers. 2020. “Microstructure Evolution and Mechanical Properties of Calcined Kaolin Processing Waste-Based Geopolymers in the Presence of Different Alkali Activator Content by Pressing and Casting”. Journal of Metals, Materials and Minerals 30 (3). Bangkok, Thailand. https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/832.