Samwel Alananga Sanga, and Charles Lucian. “Cost Shares and Factor-Cost Ratios in Owner-Built Incremental Housing in Dar Es Salaam, Tanzania”. Journal of Construction in Developing Countries 21, no. 1 (July 31, 2016): 113–130. Accessed September 14, 2026. https://ejournal.usm.my/jcdc/article/view/jcdc_vol21-no-1-2016_6.