Terasne. “A Study on the students’ Ability in Using English Prepositions (on, In, At, Before, under): A Survey at the First Semester Students of English Language Education”. Journal Transformation of Mandalika, E-ISSN: 2745-5882, P-ISSN: 2962-2956 , Vol. 7, no. 4, May 2026, pp. 157-63, doi:10.36312/jtm.v7i4.6367.