AZIEZ, Feisal; HIKMAH, Waridatul; GALANG, John Louie Domingo. Readability Progression and Students’ Perceptions of Gontor Press English Lesson Textbooks in Indonesian Pesantren. Ta’dibuna: Jurnal Pendidikan Islam, [S. l.], v. 15, n. 5, p. 776–794, 2026. DOI: 10.32832/tadibuna.v15i5.24548. Disponível em: https://ejournal.uika-bogor.ac.id/index.php/TADIBUNA/article/view/24548. Acesso em: 3 nov. 2026.