PISTIOLI, E. . The Self-Concept in Specific Areas of Students attending Multigrade and Single Grade Elementary Schools: Comparative Approach. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 17, n. 12, p. 116–134, 2018. Disponível em: http://ijlter.myres.net/index.php/ijlter/article/view/615. Acesso em: 8 jun. 2026.