Effectiveness of web-based problem-based school administrator training program and its effect on participants’ attitudes towards web-based learning. Pegem Journal of Education and Instruction, [S. l.], v. 7, n. 4, p. 663–712, 2017. DOI: 10.14527/pegegog.2017.024. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/pegegog.2017.024. Acesso em: 6 may. 2021.