(1)Bach, P. C.; Hung, N. P.; Inh, C. T.; Quan, P. M.; Toan, T. Q.; Minh, P. T. H.; Long, P. Q.; Van, N. T. H. Quantitative Analysis of Caffeine in the Leaves and Flowers of Camellia Chrysantha by High-Performance Liquid Chromatography With DAD Detection. <i>Vietnam J. Sci. Technol.</i> <b>2020</b>, <i>58</i>, 267-273.