EROL, H. An evaluation on functionality of the workbook for social studies for the 7th graders. Pegem Journal of Education and Instruction, [S. l.], v. 7, n. 1, p. 01–22, 2016. DOI: 10.14527/pegegog.2017.001. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/pegegog.2017.001. Acesso em: 20 sep. 2026.