ŠERBETAR, Ivan; SEDLAR, Iva. Assessing Reliability of a Multi-Dimensional Scale by Coefficient Alpha. Journal of Elementary Education, [S. l.], v. 9, n. 1/2, p. 189–196, 2016. Disponível em: https://old.journals.um.si/index.php/education/article/view/391. Acesso em: 8 nov. 2025.