1. 2) A. Merghani : Thermal comfort and spatial variability in courtyard houses in hot dry climates, University of Cambridge, 2001.
2. 3) A. A. Elkhalifa : THE CONSTRUCTION AND BUILDING MATERIALS INDUSTRIES Appropriate and Innovative Local Building Materials and Technologies for Housing in the Sudan, Universita Di Camerino, Phd Thesis, 2011.
3. 4) A. M. Ahmed and K. Kurosawa : Analytical Evaluation of Housing Patterns in Sudan-Case Study: Evaluation and Improvement of Plan Types of Detached House in Khartoum, Journal of Environmental Engineering (Translation of AIJ), No. 598, pp. 11－19, 2005.12.
4. 5) I. Z. Bahreldin : Preparing for urban future Riverside development, concepts and strategies; a Case study of Khartoum-Sudan, Jeddah Int. Urban Forum-JIUFX, pp. 1－15, 2006.
5. 6) S. Ghaffarian and S. Ghaffarian : Automatic building detection based on Purposive FastICA (PFICA) algorithm using monocular high resolution Google Earth images, ISPRS J. Photogramm. Remote Sens., vol. 97, pp. 152－159, 2014.