Fitrasyah, S. I. ., A. . Ariani, N. . Rahman, N. Nurulfuadi, U. . Aiman, D. . Nadila, F. . Pradana, A. . Rakhman, and D. A. . Hartini. “Analysis of Chemical Properties and Antioxidant Activity of Sambiloto (Andrographis Paniculata Nees.) Leaf Tea Formula As a Functional Drink in Preventing Coronavirus Diseases and Degenerative Diseases”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. A, Apr. 2021, pp. 196-01, doi:10.3889/oamjms.2021.5872.