Anlly Nela Candelo Moya (2024) “Development of a Mobile Application for English Language Learning, Designed for Students Aged 12 to 15, ‘Level A1, A2.’”, International Journal of Intelligent Systems and Applications in Engineering, 12(23s), pp. 2004 –. Available at: https://www.ijisae.org/index.php/IJISAE/article/view/7220 (Accessed: 11 October 2025).