Mohamed M. Abu Habib, Fatma M. Abdel Bar, and Farid A. Badria. 2017. “Antioxidant and Antibacterial Compounds from the Leaves of Psidium Guajava”. World Journal of Pharmaceutical Sciences 5 (11):56-63. https://wjpsonline.com/index.php/wjps/article/view/antioxidant-antibacterial-compounds-psidium-guajava.