El Stohy, Rasha Abdel sattar, Nashaat el Khamessy el Ghetany, and Haitham Abdul Menem el Gharib. “A Proposed System for Push Messaging on Android”. International Journal of Interactive Mobile Technologies (iJIM) 10, no. 3 (July 26, 2016): pp. 29–34. Accessed April 26, 2024. https://online-journals.org/index.php/i-jim/article/view/5567.