GÜVEN, E.; HAMALOSMANOĞLU, M.; KAPLAN, Z.; VARINLIOĞLU, S. Analysis of keywords used in environmental education research. Pegem Journal of Education and Instruction, [S. l.], v. 4, n. 3, p. 73–82, 2014. DOI: 10.14527/pegegog.2014.017. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/pegegog.2014.017. Acesso em: 3 aug. 2025.