Narachai, B., Kajsanthia, K., Osakoo, N., Wittayakun, J. and Prayoonpokarach, S. 2026. ADSORPTION OF OLEIC ACID USING MCM-41 SYNTHESIZED FROM RICE HUSK SILICA. Suranaree Journal of Science and Technology. 25, 1 (Aug. 2026), 37–48.