APAYDIN, Çiğdem. Virtual schools. Pegem Journal of Education and Instruction, [S. l.], v. 1, n. 4, p. 19–27, 2011. DOI: 10.14527/C1S4M3. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/C1S4M3. Acesso em: 21 aug. 2025.