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Contact Decision and Frequency Decision
Winfried PohlmeierVolker Ulrich
其他書名
An Econometric Model of the Demand for Ambulatory Services
出版Zentrum für Europäische Wirtschaftsforschung, 1992
URLhttp://books.google.com.hk/books?id=aTpEHQAACAAJ&hl=&source=gbs_api