PURWANINGTYAS, N. Application of problem based-learning learning models to increase social studies activity and achievement. Journal of diversity in learning (JDIL), [S. l.], v. 3, n. 1, p. 311 - 317, 2023. Disponível em: https://www.journalofdiversity.com/index.php/jdil/article/view/89. Acesso em: 16 jul. 2026.