Nyirenda, Tumelo Iyanda, and Attridge Mwelwa. “Labour Productivity in Zambia’s Construction Industry: A Multi-Site Qualitative Investigation of Workforce, Organisational, and Resource Constraints”. African Journal of Empirical Research 7, no. 2 (May 25, 2026): 1014–1025. Accessed August 27, 2026. https://ajernet.net/ojs/index.php/ajernet/article/view/1773.