I Gusti Agung Vony Purnama (2014) “THE PROBLEMS OF STUDENTS IN USING PAST TENSES”, SPHOTA: Jurnal Linguistik dan Sastra, 6(2). Available at: https://e-journal.unmas.ac.id/index.php/sphota/article/view/1289 (Accessed: 23 November 2024).