NOIKAEW, B., L. WANGMOOKLANG, S. NIYOMSOAN, and S. LARPKIATTAWORN. “Preparation of Transparent Alumina Thin Films Deposited by RF Magnetron Sputtering”. Journal of Metals, Materials and Minerals, vol. 31, no. 2, June 2021, pp. 96-103, doi:10.55713/jmmm.v31i2.1066.