Saengka, Pattraporn, Nakarin Singkiburin, Keerati Kirdsiri, and Nattapon Srisittipokakun. “Study of Physical and Optical Properties of Cobalt Oxide-Doped Glass Prepared by Microwave Melting Technique”. Suan Sunandha Science and Technology Journal 12, no. 1 (March 13, 2025): 16–24. accessed July 1, 2025. https://li02.tci-thaijo.org/index.php/ssstj/article/view/1033.