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