Musa, W. J., Bialangi, N., Situmeang, B., & Silaban, S. (2019). Triterpenoid compound from metanol extract of mangrove leaves (Sonneratia alba) and anti-cholesterol activity test. Jurnal Pendidikan Kimia, 11(1), 18–23. https://doi.org/10.24114/jpkim.v11i1.13124