Plernchai Tangkanakul, Gassinee Trakoontivakorn, Payom Auttaviboonkul, Boonma Niyomvit, & Karuna Wongkrajang. (2006). Antioxidant Activity of Northern and Northeastern Thai Foods Containing Indigenous Vegetables. Agriculture and Natural Resources, 40(6 (Suppl.), 47–58. Retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/244014