Merzic, Sabina, et al. “Influence of Solvents on Polyphenol Content and Antioxidant Activity of Fig Leaf Extracts Obtained by Maceration and Ultrasonic Extraction”. International Journal of Advanced Chemistry, vol. 9, no. 2, June 2021, pp. 70-73, https://doi.org/10.14419/ijac.v9i2.31590.