Sutatta Zenso และ Passapol Ngamukot. (2015) Development of spectroelectrochemical flow-cell for determination of caffeine content in beverages. Chulalongkorn University:ม.ป.ท.Sutatta Zenso และ Passapol Ngamukot. 2015. Development of spectroelectrochemical flow-cell for determination of caffeine content in beverages. ม.ป.ท.:Chulalongkorn University;Sutatta Zenso และ Passapol Ngamukot. Development of spectroelectrochemical flow-cell for determination of caffeine content in beverages. ม.ป.ท.:Chulalongkorn University, 2015. Print.