An Assessment of Labour Productivity Influencing Factors in the Construction Industry: A Case study of Zaria, Nigeria. Journal of Civil Engineering Frontiers, [S. l.], v. 2, n. 02, p. 26–37, 2021. DOI: 10.38094/jocef20235. Disponível em: https://www.jocivilef.org/index.php/jocef/article/view/35. Acesso em: 7 mar. 2026.