Ibrahim Khader, Sura, سرى, Amera Ali Ahmed, عامرة, Ibrahem Talal Dawod, and إبراهیم. 2009. “Biological Effect of Acetone Extract of Quercus Infectoria and Hibiscus Sabdariffa in Some Germs Compared to a Number of Antibiotics”. Journal of Education and Science (JES) 22 (1):108-16. https://doi.org/10.33899/edusj.2009.57412.