SUBAGTIO, Muhammad Eko; NASUTION, Nasution; JACKY, M. The Effect of Problem-Based Learning and Discovery Learning on Students’ Critical and Creative Thinking Skills on Material of Islamic Kingdom Development. The Indonesian Journal of Social Studies, [S. l.], v. 4, n. 1, p. 67–78, 2021. DOI: 10.26740/ijss.v4n1.p67-78. Disponível em: https://journal.unesa.ac.id/index.php/jpips/article/view/14228. Acesso em: 3 apr. 2025.