CHANG, J. .; SAONG, M. Teacher Competency Challenges in Resource-Constrained Rural Schools: Professional Development Needs in Communities with Left-Behind Children. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 25, n. 7, p. 736–757, 2026. Disponível em: http://ijlter.net/index.php/ijlter/article/view/2972. Acesso em: 15 oct. 2026.