Amin, Amalia Kurnia, Karna Wijaya, and Wega Trisunaryanti. “Physico-Chemical Properties of Nickel Promoted Sulfated Zirconia Powder Prepared Using Different Procedures”. Asian Journal of Chemistry 32, no. 3 (January 31, 2020): 555–560. Accessed April 28, 2024. https://asianpubs.org/index.php/ajchem/article/view/32_3_12.