KOÇAK, D. The effects of model based missing data methods on guessing parameter in case of ignorable missing data. Pegem Journal of Education and Instruction, [S. l.], v. 8, n. 1, p. 155–172, 2017. DOI: 10.14527/pegegog.2018.007. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/pegegog.2018.007. Acesso em: 17 apr. 2026.