MOHAMMAD YANI PEHANG; DARMANTO MINGGELE; HANIF CAHYO ADI KISTORO. Improving Understanding And Learning Activities Of Simple Present Tense Declarative Sentences Through Whatsapp-Based Substitution Drills Techniques For Mtsn Students In Kupang City. Linguanusa : Social Humanities, Education and Linguistic , [S. l.], v. 2, n. 3, p. 1–16, 2024. Disponível em: http://linguanusa.com/index.php/1/article/view/67. Acesso em: 19 dec. 2024.