Vargas-Saritama, A. ., Espinoza-Celi, V. ., & Carrion-Robles, F. . (2026). The Use of AI-Powered Grammarly in Enhancing EFL Prepositions Usage. International Journal of Learning, Teaching and Educational Research, 25(9), 825–846. Retrieved from https://www.ijlter.myres.net/index.php/ijlter/article/view/3069