Anuar, A., I. Yakub, N. Mohamed Sutan, C. N. Hipolito, and Y. H. Taufiq-Yap. “Temperature-Programmed Reduction of Copper-Manganese Catalysts Derived from Biomass Activated Carbon”. Journal of Applied Science & Process Engineering, Vol. 1, no. 1, Sept. 2014, pp. 28-38, doi:10.33736/jaspe.157.2014.