Hakim, Nur, Samuel Tuan, and Esther Allen. “Ubiquitous Learning Environments and Language Mastery: Designing Adaptive Platforms for 21st-Century Language Learners”. International Journal of Language and Ubiquitous Learning 4, no. 3 (June 28, 2026): 182–193. Accessed September 12, 2026. https://research.adra.ac.id/index.php/ijlul/article/view/3861.