Yuliana Y, W CET. AN ERROR ANALYSIS OF PREPOSITION IN WRITING DESCRIPTIVE TEXT AT THE SEVENTH GRADE STUDENTS OF SMP N 1 NGARGOYOSO KARANGANYAR IN 2021/2022 ACADEMIC YEAR. ERJ [Internet]. 2023Jul.3 [cited 2024May21];7(2). Available from: https://ejurnal.unisri.ac.id/index.php/engj/article/view/9278