Tiong Ngee Derk (2019) “Appraising ‘professional learning communities’ (PLCs) for Malaysian schools through the lens of sociocultural theory: A critical review of literature with implications for research and practice”, Malaysian Journal of ELT Research, 16(2). Available at: http://meltajournals.com/index.php/majer/article/view/609 (Accessed: 23 March 2026).