V. Than, N. and T. Tung, N. (2017) “Microscopic Features and Preliminary Thin Layer Chromatography of ‘Thanh ngam’ (Picria fel-terrae Lour. ex Wall) Collected in Viet Nam: http://www.doi.org/10.26538/tjnpr/v1i5.4”, Tropical Journal of Natural Product Research (TJNPR), 1(6), pp. 241–243. Available at: https://tjnpr.org/index.php/home/article/view/360 (Accessed: 28 December 2024).