1. Badoe, D. A., An Investigation into the Long Range Transferability of Work-Trp Discrete Mode Choice Models, Unpublished Ph.D. Dissertation University of Toronto, 1994.
2. Badoe, D. A., Miller E. J. and K. S. Fan, Understanding and Modelling Modal Choice in the Greater Toronto Area, Volume II, Analysis of Spatial and Socioeconomic Variations in Work-Trip Mode Choice Behaviour, Research Report to the Ontario Ministry of Transportation.
3. Data Management Group, A Summary of Changes in the Travel Characteristics of the Greater Toronto Area, 1986 to 1991, Joint Program in Transportation, University of Toronto, December 1992.