Putri, E., Purnama, D. W. and Maulida, I. . (2020) “THE INFLUENCE OF SUBSTITUTION DRILLS TOWARD STUDENTS’ SIMPLE PRESENT TENSE MASTERY”, Prosiding Seminar Nasional Pendidikan Universitas Subang (SENDINUSA), 1(1), pp. 169–173. Available at: http://ejournal.unsub.ac.id/index.php/sendinusa/article/view/660 (Accessed: 4 May 2024).