“Effect of H2O SiO2 Molar Ratio on Direct Synthesis of ZSM-5 from Bangka’s Kaolin Without Pretreatment”. Malaysian Journal of Fundamental and Applied Sciences 13, no. 4 (December 26, 2017): 817–820. Accessed September 14, 2026. https://mjfas.utm.my/index.php/mjfas/article/view/916.