Ha, L. T. N., Phuong, N. V., Hoai, T. T., Viet Ha, D. T. and Ha, H. H. (2019) “Optimization of Chlorogenic Acid Extraction from Green Coffee Beans Using Response Surface Methodology”, Vietnam Journal of Agricultural Sciences, 2(1), pp. 332-342. doi: 10.31817/vjas.2019.2.1.04.