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Sales, Promotion, and Product Differentiation in Two Prescription Drug Markets
Ronald S. Bond
United States. Federal Trade Commission. Bureau of Economics
David F. Lean
出版
Federal Trade Commission, Bureau of Economics
, 1977
URL
http://books.google.com.hk/books?id=NpZsQJ1g5ZQC&hl=&source=gbs_api
EBook
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