[1]Bach, P.C. et al. 2020. Quantitative analysis of Caffeine in the leaves and flowers of Camellia chrysantha by high-performance liquid chromatography with DAD detection. <i>Vietnam Journal of Science and Technology</i>. 58, 3 (May 2020), 267–273. DOI:https://doi.org/10.15625/2525-2518/58/3/14366.