Showing 1 - 2 results of 2 for search 'Valk, Willem Lodewijk, 1900-', query time: 0.14s Refine Results
  1. 1
    Production, pricing and unemployment in the static state /
    by Valk, Willem Lodewijk, 1900-
    Published 1937
    Book
  2. 2
    The principles of wages /
    by Valk, Willem Lodewijk, 1900-
    Published 1928
    Book
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