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. 1–17, 2024. DOI: 10.63605/ln.v2i3.67. Disponível em: https://linguanusa.com/index.php/1/article/view/67. Acesso em: 19 apr. 2025.