Sinkala, H. , Simui, F. and Muleya, G. 2022. A Plethora of Roles Played by Teacher Unions in Fostering Improved Learning Environment in Schools in Zambia. Advances in Social Sciences Research Journal. 9, 9 (Sep. 2022), 450–464. DOI:https://doi.org/10.14738/assrj.99.13112.