Saengka, P. and Srisittipokakun, N. 2025. Comparison of Physical and Optical Properties of Glass Doped with Cobalt Oxide from Chemical and Sugarcane Leaf Ash. Indochina Applied Sciences. 14, 3 (Aug. 2025), 262194. DOI:https://doi.org/10.55674/ias.v14i3.262194.