SANTOSO, DEWI IRAWATI, et al. “EFFECT OF HIBISCUS SABDARIFFA LINN METHANOLIC EXTRACT ON HEART HYPERTROPHY INDEX AND PGC-1α IN OVERTRAINED RAT”. International Journal of Applied Pharmaceutics, vol. 11, no. 6, Dec. 2019, pp. 46-49, doi:10.22159/ijap.2019.v11s6.33537.