BİÇİCİ ÇETİNKAYA, P., MUTLU, H.S. and DİKİCİ, M. 2025. Investigation of the Effects of Waste Opal Mineral on Ceramic Glaze. Ejons International Journal on Mathematic, Engineering and Natural Sciences. 9, 4 (Dec. 2025), 427–433. DOI:https://doi.org/10.5281/zenodo.17953929.