Lubis, F. ., S. Lenny, and H. . Br. Sembiring. “Antioxidants Activity of Face Toner from Ethyl Acetate Fraction of Okra Seeds”. Journal of The Indonesian Society of Integrated Chemistry, vol. 16, no. 2, Dec. 2024, pp. 109-14, doi:10.22437/jisic.v16i2.37677.