Lim, Swee Ean, and Siew Ling Lee. “New Tungsten-Sulphate Modified Silica-Titania As Oxidative-Acidic Bifunctional Catalyst for Diol Formation”. Malaysian Journal of Catalysis 1, no. 1 (October 17, 2016). Accessed November 21, 2024. https://mjcat.utm.my/index.php/MalJCat/article/view/11.