Chang, J. . and Saong, M. (2026) “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, 25(7), pp. 736–757. Available at: https://www.ijlter.net/index.php/ijlter/article/view/2972 (Accessed: 20 August 2026).