Fisher, F., & Tees, D. W. (1992). A guide to national training needs assessment for human settlements: A competency-based approach. United Nations Centre for Human Settlements (Habitat).

Fisher, Fred, and David W. Tees. A Guide to National Training Needs Assessment for Human Settlements: A Competency-based Approach. Nairobi: United Nations Centre for Human Settlements (Habitat), 1992.

Fisher, Fred, and David W. Tees. A Guide to National Training Needs Assessment for Human Settlements: A Competency-based Approach. United Nations Centre for Human Settlements (Habitat), 1992.