zielinski, G. are there laws of planning? socialist planning and its relevance to mixed economics. the institute of national planning.
Chicago-referens (17:e uppl.)zielinski, G. Are There Laws of Planning? Socialist Planning and Its Relevance to Mixed Economics. cairo: the institute of national planning.
MLA-referens (9:e uppl.)zielinski, G. Are There Laws of Planning? Socialist Planning and Its Relevance to Mixed Economics. the institute of national planning.