JAMALDINI, M. A.; ASIF, M.; SULTAN, G. A. The Negative Effect of Multi-Grade Teaching on the Teachers’ Performance at Primary School Level in District Mastung, Balochistan. Pakistan Languages and Humanities Review, Gujranwala, Pakistan, v. 6, n. 1, p. 140–139, 2022. DOI: 10.47205/plhr.2022(6-I)12. Disponível em: https://ojs.plhr.org.pk/journal/article/view/503. Acesso em: 22 jul. 2024.