Sari, Eka Resty Novieta. “Error Analysis of Simple Present Tense Sentences In English by Information Systems Students”. Citizen : Jurnal Ilmiah Multidisiplin Indonesia 1, no. 3 (November 25, 2021): 148–153. Accessed April 18, 2026. https://journal.das-institute.com/index.php/citizen-journal/article/view/20.