CELIK, A. Analysis of 5th, 6th and 7th grade students’ attitudes and perceptions regarding helpfulness value. Cypriot Journal of Educational Sciences, [S. l.], v. 14, n. 4, p. 565–579, 2019. DOI: 10.18844/cjes.v11i4.4248. Disponível em: https://un-pub.eu/ojs/index.php/cjes/article/view/4248. Acesso em: 16 apr. 2024.