Mustofa Ahda, Sutarno, and Eko Sri Kunarti, trans. “Influence of Alumina Incorporated on MCM 41 Surface ForMesoporous Characteristic and Methylene Blue Adsorption”. Pakistan Journal of Analytical & Environmental Chemistry 21, no. 1 (June 28, 2020): 87 – 91. Accessed November 5, 2025. https://pjaec.pk/index.php/pjaec/article/view/124.