Okafor, V. N., Anyalebechi, R. I., & Okafor, U. W. (2016). Characterization of Hop Extracts and Extracts from some Selected Nigerian Plants by GC-MS and Brewing Qualities Analyses. IJRDO-Journal of Applied Science, 2(9), 39-64. https://doi.org/10.53555/as.v2i9.1404