Adam, E.A. and Agib, A.R.A. (2001) Compressed Stabilised Earth Block Manufacture in Sudan. Printed by Graphoprint for the United Nations Educational, Scientific and Cultural Organization, UNESCO, Paris, 11.
 Mubaiwa, A. (2002) Earth as an Alternative Building Material for Affordable and Comfortable Housing in Zimbabwe: Undergraduate Dissertation. Department of Architecture, National University of Science and Technology, Bulawayo, Zimbabwe.
 Zami, M.S. and Lee, A. (2008) Constraints of Earth Construction Zimbabwe—Some Possible Solutions. The 8th International Postgraduate Research Conference, 26-27 June 2008, the Czech Technical University of Prague (CVUT), Czech Republic.
 Baiche, B., Osmani, M., Hadjri, K. and Chifunda, C. (2008) Attitude towards Earth Construction in the Developing World: A Case Study from Zambia. CIB W107 Construction in Developing World Countries International Symposium, “Construction in Developing Countries: Procurement, Ethics and Technology”, 16-18 January 2008, Trinidad and Tobago, West Indies.
 Longfoot, B.R. (2003) Earth Building in Botswana: Building Blocks Made from Kgalagadi Sand. University of Technology, Sydney, 7 March 2003.
 Morton, T. (2007) Towards the Development of Contemporary Earth Construction in the UK: Drivers and Benefits of Earth Masonry as a Sustainable Mainstream Construction Technique. International Symposium on Earthen Structures, Bangalore, 22-24 August 2007, 377, 379, 383.
 Kateregga, J.K. (1983) Improvement and Use of Earth Construction Products for Low Cost Housing. Appropriate Building Materials for Low Cost Housing, African Region. Proceedings of a Symposium, Nairobi, 1983, Vol. 1.
 Hadjri, K., Osmani, M., Baiche, B. and Chifunda, C. (2007) Attitude towards Earth Building for Zambian Housing Provision. Proceedings of the ICE Institution of Civil Engineers, Engineering Sustainability 160, Issue ES3, 143.
 Maini, S. (2005) Earthen Architecture for Sustainable Habitat and Compressed Stabilised Earth Block Technology. Progrmmae of the City on Heritage Lecture on Clay Architecture and Building Techniques by Compressed Earth, High Commission of Ryadh City Development. The Auroville Earth Institute, Auroville Building Centre-INDIA.
 Houben, H., Doat, P., Fontaine, L., Anger, R., Aedo, W.C., Olagnon, C. and Damme, H.V. (2007) Innovative Approaches in Educational Pedagogy for Earthen Architecture. International Symposium on Earthen Structures, Bangalore, 22-24 August 2007, 38-43.
 Cassell, R.O. (1993) A Traditional Research Paper: Rammed Earth Construction, The Compaction of Successive Layers of Earth between Forms to Build a Wall.
 Adams, C. (2005) The Realities of Specifying Environmental Building Materials. In: Elizabeth, L. and Adams, C., Eds., Alternative Construction: Contemporary Natural Building Methods, John Wiley and Sons, Inc., New York.
 Eisenberg, D. (2005) A New Context for Building Codes and Regulation. In: Elizabeth, L. and Adams, C., Eds., Alternative Construction: Contemporary Natural Building Methods, John Wiley & Sons, Inc., New York.
 Zami, M.S. and Lee, A. (2011) Inhibitors of Adopting Stabilised Earth Construction to Address Urban Low Cost Housing Crisis—An Understanding by Construction Professionals. Journal of Building Appraisal (JBA), 6, 227-240. Palgrave Macmillan Publishers, Houndmills, Basingstoke, Hampshire, RG21 6XS.
 Loosemore, M. (1999) International Construction Management Research: Cultural Sensitivity in Methodological Design. Construction Management and Economics, 17, 553-561.
 Wallace Foundation Website (2009) Market Research Workbooks and Appendices. Workbook E: In Depth Interview.
 Boyce, C. and Neale, P. (2006) Conducting In-Depth Interview: A Guide for Designing and Conducting In-Depth Interviews for Evaluation Input. Pathfinder International Tool Series, Monitoring and Evaluation-2.
 MLGPWNH (Ministry of Local Government, Public Works and National Housing) (2004) New National Housing Standards for High, Medium and Low Density Residential Areas. Circular Number 70, Section 3.1.5, Harare.