Sultana, F., N. Taneepanichskul, and R. Somrongthong. “Functional Drink Consumption of Bangkok Residents, Thailand”. Journal of Health Research, vol. 31, no. Suppl. 1, Nov. 2017, pp. s121-s127, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/104313.