Anyaphatthaworn, R. and Nonthanathorn , P. (2022) “Knowledge, Attitude and Practice towards Mitragyna Speciosa use among People in Bangkok Metropolitan”, Journal of the Association of Researchers, 27(2), pp. 150–165. available at: https://so04.tci-thaijo.org/index.php/jar/article/view/258881 (accessed: 11 September 2026).