DUBOVEC, J.; FALAT, L.; MAKYSOVA, J. Optimal number of students in the class. Global Journal of Business, Economics and Management: Current Issues, [S. l.], v. 6, n. 2, p. 243–249, 2016. DOI: 10.18844/gjbem.v6i2.1387. Disponível em: https://www.un-pub.eu/ojs/index.php/gjbem/article/view/1387. Acesso em: 18 may. 2024.