KHAN, S. I.; ABDULLAH, N. N. The impact of staff training and development on teachers’ productivity. Economics, Management and Sustainability, [S. l.], v. 4, n. 1, p. 37–45, 2019. DOI: 10.14254/jems.2019.4-1.4. Disponível em: https://jems.sciview.net/index.php/jems/article/view/69. Acesso em: 7 jul. 2026.