SINKALA, Henry; SIMUI, Francis; MULEYA, Gistered. A Plethora of Roles Played by Teacher Unions in Fostering Improved Learning Environment in Schools in Zambia. Advances in Social Sciences Research Journal, [S. l.], v. 9, n. 9, p. 450–464, 2022. DOI: 10.14738/assrj.99.13112. Disponível em: https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/5292. Acesso em: 28 may. 2026.