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Occupational Outlook Handbook

出版	Bureau of Labor Statistics, 1990
主題	REFERENCE / Handbooks & Manuals
URL	http://books.google.com.hk/books?id=khQvBG7m1koC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋Describes 250 occupations which cover approximately 107 million jobs.