Prasetyaningsih, Y., Hendriyana, H. and Susanto, H. 2016. Influence of Impregnation and Coprecipitation Method in Preparation of Cu/ZnO Catalyst for Methanol Synthesis. Journal of Engineering and Technological Sciences. 48, 4 (Sep. 2016), 442-450. DOI:https://doi.org/10.5614/j.eng.technol.sci.2016.48.4.6.