Phromchan, Wethanee, Ifwarisan Defri, Chutikarn Saensano, Anuthida Chookaew, Rawee Chiarawipa, and Somchai Sriwiriyajan. 2024. “Morphological and Physiological Properties of Kratom (Mitragyna Speciosa) Leaves: Macronutrients, Phytochemicals, Antioxidants, and Mitragynine Content”. Plant Science Today 11 (2). https://doi.org/10.14719/pst.2991.