Taokaenchan, N., Areesrisom, K., Areesrisom, P., Maifaey, V., Philadee, J. and Sateinperakul, S. 2021. Contents of Phenolic, Flavonoid and Antioxidant Activity of Dendrobium spp., in Maejo University, Chiang Mai Province. YRU Journal of Science and Technology. 7, 1 (Oct. 2021), 21–28.