George Ofori. “Nature of the Construction Industry, Its Needs and Its Development: A Review of Four Decades of Research”. Journal of Construction in Developing Countries 20, no. 2 (December 31, 2015): 115–135. Accessed September 14, 2026. https://ejournal.usm.my/jcdc/article/view/jcdc_vol20-no-2-2015_7.