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Black-white Differences in Return to Schooling
Charles R. LinkEdward C. RatledgeKenneth A. Lewis
其他書名
Some New Evidences
出版Bureau of Economic and Business Research, College of Business and Economics, University of Delaware, 1975
URLhttp://books.google.com.hk/books?id=5RWpwgEACAAJ&hl=&source=gbs_api