I GUSTI AGUNG VONY PURNAMA. THE PROBLEMS OF STUDENTS IN USING PAST TENSES. SPHOTA: Jurnal Linguistik dan Sastra, [S. l.], v. 6, n. 2, 2014. Disponível em: https://e-journal.unmas.ac.id/index.php/sphota/article/view/1289. Acesso em: 14 may. 2024.