2025. INCREASED PROPERTIES OF VITRIFIED GLASS-CERAMICS FLY ASH WITH THE ADDITION OF 30 WT.% ALUMINUM SILICATE AND SINTERING TEMPERATURE. Journal of Technology and Vocational Studies. 3, 1 (Jan. 2025), 116–121. DOI:https://doi.org/10.21063/jtv.2025.3.1.116-121.