John Lupala, Sajjad Ali Bhayo, and Sajjad Ali Bhayo. 2014. “Building Densification As a Strategy for Urban Spatial Sustainability: Analysis of Inner City Neighbourhoods of Dar Es Salaam, Tanzania”. Global Journal of Human-Social Science 14 (B8):29-44. https://socialscienceresearch.org/index.php/GJHSS/article/view/1239.