1. Exploring Change. What Should Have Happened at Habitat;Turin;Habitat International,1978
2. Construction and Development;Turin;International Development Review, Vol. XXI, No. 3, 1974/5. Reprinted in Habitat International,1978
3. Building Technology and Employment in the Housing Sector of Developing Countries;Strassman,1975
4. The Construction Industry: Its Economic Significance and its Role in Development;Turin,1973
5. Building Technology and Employment in the Housing Sector of Developing Countries;Strassman,1975