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Occupational Outlook Handbook

United States. Bureau of Labor Statistics

出版	U.S. Department of Labor, Bureau of Labor Statistics, 1978
主題	REFERENCE / Handbooks & Manuals
URL	http://books.google.com.hk/books?id=WykGu8fErTEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN