Schulmeister, D. (1971). Some basic questions on foreign trade planning. The Institute of National Planning.
Chicago-čujuhus (17. p.)Schulmeister, Dieter. Some Basic Questions on Foreign Trade Planning. Cairo: The Institute of National Planning, 1971.
MLA-čujuhus (9. p.)Schulmeister, Dieter. Some Basic Questions on Foreign Trade Planning. The Institute of National Planning, 1971.
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