Ngernsaengsaruay C, Leksungnoen N, Boonthasak W, Utharatsamee S, Racharak P, Leetanasakskul K, Pongamorn P, Saengbuapuean A. Additional knowledge on the genus Mitragyna (Rubiaceae) in Thailand. Thai Forest Bull., Bot. [Internet]. 2022 Mar. 7 [cited 2024 Apr. 25];50(1):20-39. Available from: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/251978