Mohamad Zahir, Nur Fatihah, Herma Dina Setiabudi, Rohayu Jusoh, and Nur Hidayatul Nazirah Kamarudin. “Photocatalytic Degradation of Methylene Blue Using Zn SBA-15 Synthesized from Palm Oil Fuel Ash”. Malaysian Journal of Catalysis 4, no. 1 (June 21, 2020). Accessed May 4, 2024. https://mjcat.utm.my/index.php/MalJCat/article/view/142.