PURWATI, Panca Dewi; AFIFAH, Nur Ummi. Developing Language Study Textbooks: An Effort to Understand Discourse Theory Using Basic Literacy Based on Problem Solving Model. JOLLT Journal of Languages and Language Teaching, [S. l.], v. 13, n. 4, p. 1664–1679, 2025. DOI: 10.33394/jollt.v13i4.15565. Disponível em: https://ojspanel.undikma.ac.id/index.php/jollt/article/view/15565. Acesso em: 20 nov. 2025.