Detpiratmongkol, S., and Liphan, S. “Effects of different harvesting times on growth, yield and quality of Kalmegh (Andrographis paniculata Wall Ex. Nees)”. International Journal of Agricultural Technology 14, no. 7 (December 15, 2018): 1161–1170. accessed September 23, 2026. https://li04.tci-thaijo.org/index.php/IJAT/article/view/8482.