SOBIROVNA, A. K.; HAKIMA, B. Relationship between Syllabus, Course Book and Materials. Journal of Higher Education and Academic Advancement, [S. l.], v. 1, n. 2, p. 162–164, 2023. DOI: 10.61796/ejheaa.v1i2.130. Disponível em: https://journal.antispublisher.id/index.php/EJHEAA/article/view/130. Acesso em: 5 jun. 2026.