Further insight into Student Learning Outcomes of Derivative Materials: Numbered Head Together and Expository Learning Model . Utamax : Journal of Ultimate Research and Trends in Education, [S. l.], v. 4, n. 2, p. 135–145, 2022. DOI: 10.31849/utamax.v4i2.9918. Disponível em: https://journal.unilak.ac.id/index.php/UTAMAX/article/view/9918. Acesso em: 1 dec. 2025.