Phromchan, W. ., Defri, I. ., Saensano, C. ., Chookaew, A. ., Chiarawipa, R. and Sriwiriyajan, S. . (2024) “Morphological and physiological properties of kratom (Mitragyna speciosa) leaves: Macronutrients, phytochemicals, antioxidants, and mitragynine content”, Plant Science Today, 11(2). doi: 10.14719/pst.2991.