Aisyah Aulia Putri, and Nurasia Natsir. “Acquisition of English Modal Verbs by Indonesian EFL Learners: A Corpus-Based Analysis of Learning Patterns”. International Journal of Educational Evaluation and Policy Analysis, vol. 2, no. 3, July 2025, pp. 27-38, doi:10.62951/ijeepa.v2i3.365.