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Google圖書搜尋
Concentration in the Press Industry and the Theory of the "circulation Spiral"
Jean Jaskold Gabszewicz
Didier Laussel
Nathalie Sonnac
出版
Universite catholique de Louvain
, 2002
URL
http://books.google.com.hk/books?id=zm2QPgAACAAJ&hl=&source=gbs_api