Thanh Dieu Phan, T., Kuban, V. and Kráčmar, S. (2012) “DETERMINATION OF CAFFEINE CONTENTS OF COFFEE BRANDS IN THE VIETNAMESE MARKET ”, Journal of microbiology, biotechnology and food sciences, 1(Special issue), pp. 995–1002. Available at: https://office2.jmbfs.org/index.php/JMBFS/article/view/7414 (Accessed: 25 September 2026).