Al Halim, Muhammad Labib, and Luluk Ulwiyah. “Developing an Android Mobile Application As Teaching Media for English Grammar”. SAGA: Journal of English Language Teaching and Applied Linguistics 6, no. 2 (August 15, 2025): 141–154. Accessed June 4, 2026. https://saga.ukdw.ac.id/index.php/SAGA/article/view/231.