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The Negro in the Drug Manufacturing Industry

Charles R. PerryF. Marion FletcherHerbert Roof NorthrupRichard L. RowanArmand J. ThieblotWilliam N. Chernish

出版	Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania, 1970
ISBN	08122906319780812290639
URL	http://books.google.com.hk/books?id=zGkOAQAAMAAJ&hl=&source=gbs_api