KEOKANGDONG, S, V THONGVAN, V MANYVAN, and S AMPHON. “STUDYING THE USE OF FLY ASH IN THE PRODUCTION OF CERAMIC COMPOSITE MATERIALS FOR INDUSTRIAL APPLICATIONS ”. Scientific Journal of National University of Laos 22 (May 21, 2024). Accessed December 26, 2024. https://lajd.org/index.php/sjnuol/article/view/136.