Lim, C.S. “Solid-State Metathetic Synthesis of Ag-ZnWO4 Zeolite-A: A Porous Composites Assisted by Microwave Irradiation”. Asian Journal of Chemistry, vol. 23, no. 11, Sept. 2011, pp. 4867-70, https://asianpubs.org/index.php/ajchem/article/view/11000.