)The Effect of model Perkins and Blythe in the collection of geographical material whenstudents first grade average(. Journal of the College of Basic Education, [S. l.], v. 1, n. SI, p. 679–703, 2023. DOI: 10.35950/cbej.v1iSI.10646. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/10646.. Acesso em: 3 jul. 2025.