“Sintesis dan Karakterisasi Material Komposit Si-Na-C Berbasis Batu Bara dan Dicalite Diatomite melalui Metode Sol-Gel”, jse, vol. 11, no. 2, Mar. 2026, Accessed: Apr. 26, 2026. [Online]. Available: http://jse.serambimekkah.id/index.php/jse/article/view/1638