CATANGHAL, J.-A. B.; CATANGHAL JR., R. A. Teachers Performance and Level of Happiness in the Mono-grade and Multi-grade Class. 11th International Scholars Conference, [S. l.], v. 6, n. 1, p. 303, 2018. DOI: 10.35974/isc.v6i1.1306. Disponível em: https://jurnal.unai.edu/index.php/isc/article/view/1306. Acesso em: 22 nov. 2024.