1. Study of operator absenteeism and workers compensation trends in the urban mass transportation industry;Baker;UMTA Report UMTA-PA-0050-80,1980
2. Part time labor, work rules and transit costs;Chomitz;UMTA Report UMTA-CA-11-0018-81,1981
3. A methodology for transit operator workforce planning;Koutsopoulos,1986
4. Operations Management: Production of Goods and Services;McClain,1980
5. The transit extraboard: Some opportunities for cost savings;MacDorman,1982