Abou El-Seoud, Samir, Islam Taj-Eddin, Ann Nosseir, Hosam El-Sofany, and Nadine Abu Rumman. “A Proposed Pedagogical Mobile Application for Learning Sign Language”. International Journal of Interactive Mobile Technologies (iJIM) 7, no. 1 (January 10, 2013): pp. 46–55. Accessed April 25, 2024. https://online-journals.org/index.php/i-jim/article/view/2387.