LOKHAMHEUANG, Vonesy, and Niramon UTAMAANG. “Effect of Different Area on Green Tea Qualities”. Souphanouvong University Journal Multidisciplinary Research and Development 3, no. 1 (July 1, 2017): 190–196. Accessed January 17, 2026. http://www.su-journal.com/index.php/su/article/view/35.