Robert Cardy Emeritus Professor, Emeritus College [email protected] Phone: 480-965-6445 BA 323F TEMPE, AZ 85287-4006 Biography Research Teaching Previous Next Publications Pornsarun Wirojanagud, Esma Gel, John Fowler, Robert Cardy. Modeling Inherent Worker Differences for Workforce Planning. International Journal of Production Research (2007). Presentations