A case study on the implementation of differentiated instruction in ELT classroom. Concept : Community Concern for English Pedagogy and Teaching, [S. l.], v. 10, n. 2, p. 78–83, 2024. DOI: 10.32534/jconcept.v10i2.7899. Disponível em: https://e-journal.umc.ac.id/index.php/CJU/article/view/7899. Acesso em: 24 nov. 2025.