Boonnak, N., Theapparat, Y., Sontimuang, C. and Chantrapromma, S. (2023) “Determination of Undeclared Synthetic Drugs in Thai Traditional Medicine as Adulterants in Songkhla Province: Dangerous for Human Health”, Journal of Advanced Development in Engineering and Science. Babgkok, Thailand, 6(17), pp. 13–22. Available at: https://ph03.tci-thaijo.org/index.php/pitjournal/article/view/860 (Accessed: 21 February 2024).