Tawfeeq, Fadwa, Maher Yakoob, and Waleed Yousef. 2005. “Effect of Harmala Seed Extract on the Characteristics of Sperm Epididymis in Male Adult Rats”. Journal of Education and Science (JES) 17 (1):88-94. https://doi.org/10.33899/edusj.2005.80600.