NISAIMUN, Surada, Phitsanu POOLCHARUANSIN, Patama VISUTTIPITUKUL, and Pitichon KLOMJIT. 2021. “Improving Corrosion Resistance of 3D Printed Ti-6Al-4V by TiN Coating”. Journal of Metals, Materials and Minerals 31 (2). Bangkok, Thailand:137-46. http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/1096.