Bui Thi Tuong Thu, Tran Van Minh, Boey Peng Lim, and Chan Lai Keng, “Effects of Environmental Factors on Growth and Artemisinin Content of Artemisia annua L”., tlsr, vol. 22, no. 2, pp. 37–43, Dec. 2011, Accessed: Apr. 03, 2025. [Online]. Available: https://ejournal.usm.my/tlsr/article/view/tlsr_vol22-no-2-2011_4