Rizki, M. I., Sari, A. K. ., & Rahmatullah, S. W. . (2026). Antioxidant Activity and Sun Protection Factor (SPF) of Various Fractions of Ethanol Extract of Kelakai Roots (Stenochlaena palustris Bedd). Medical Laboratory Technology Journal, 12(1), 72–83. https://doi.org/10.31964/mltj.v12i1.738