O.A. K'Akumu, Brian Jones, and Junli Yang. “Factor Analysis of the Market Environment for Artisanal Dimension Stone in Nairobi, Kenya”. Journal of Construction in Developing Countries 18, no. 2 (December 31, 2013): 15–32. Accessed September 14, 2026. https://ejournal.usm.my/jcdc/article/view/jcdc_vol18-no-2-2013_2.