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Task Analysis of State and Local Air Pollution Control Agencies and Development of Staffing Guidelines: Detailed task data, and staffing guidance: field enforcement

Applied Science Associates

出版	Environmental Protection Agency, Manpower Development Staff, Office of Air Programs, 1972
URL	http://books.google.com.hk/books?id=jF7nGcH4iHMC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN