ÖZEKEN, Ömer F.; YILDIRIM, A. The effect of problem-based learning method in teaching acid-base subject on science teachers’ academic success. Pegem Journal of Education and Instruction, [S. l.], v. 1, n. 1, p. 33–38, 2011. DOI: 10.14527/C1S1M4. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/C1S1M4. Acesso em: 31 jul. 2025.