Sari M A, Y. and Situngkir, M.D. 2017. Thermal stability of polyoxometalate compound of Keggin K8[2-SiW11O39]∙nH2O supported with SiO2. Science and Technology Indonesia. 1, 1 (Jun. 2017), 8–15. DOI:https://doi.org/10.26554/sti.2016.1.1.8-15.