Siti Ismahani, Sofiyani Nasution, Rizky Ummi Thahira Nasution, Indah Permatasari Harahap, and Gairah Riski Harahap. “Contrastive and Error Analysis of Indonesian Learners’ Tense and Aspect Usage in English Writing ”. Jurnal Pendidikan dan Sastra Inggris 4, no. 3 (December 31, 2024): 47–58. Accessed December 8, 2025. https://journalshub.org/index.php/JUPENSI/article/view/6299.