The zip (postal) code difference: methods to improve identification of rural subgroups

Agricultural Economics - Tập 5 - Trang 253-262 - 1991
Adela de la Torre1, Kevin Fickenscher2, Harold Luft3
1Health Care Administration Program, California State University, Long Beach, CA 90801, USA
2The Center for Rural Health, University of North Dakota, Grand Forks, ND, USA
3Institute for Health Policy Studies, University of California, San Francisco, CA, USA

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Agricultural Economics

Tập 5

253-262

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