Anggita, Sheilla Rully, and Heri Susanto. “Preparation and Microstructure of Ag Doped on ZnO”. Journal of Natural Sciences and Mathematics Research, vol. 2, no. 2, Aug. 2017, pp. 148-52, https://journal.walisongo.ac.id/index.php/JNSMR/article/view/1657.