NYIRENDA, Tumelo Iyanda; MWELWA, Attridge. Labour productivity in Zambia’s construction industry: A multi-site qualitative investigation of workforce, organisational, and resource constraints. African Journal of Empirical Research, Nairobi, Kenya, v. 7, n. 2, p. 1014–1025, 2026. DOI: 10.51867/ajernet.7.2.87. Disponível em: https://ajernet.net/ojs/index.php/ajernet/article/view/1773. Acesso em: 27 aug. 2026.