What has the author Stan Opotowsky written?

Stan Daberkow has written:

'Agricultural labor data sources' -- subject(s): Agricultural laborers, Agricultural wages, Statistics

'Patterns of change in the metro and nonmetro labor force, 1976-82' -- subject(s): Agricultural laborers, Employment, Farmers, Regional disparities, Supply and demand, Unemployment

'Demand and location aspects of emergency medical facilities in rural northern California' -- subject(s): Costs, Emergency medical services, Location, Mathematical models, Utilization