zielinski, G. are there laws of planning? socialist planning and its relevance to mixed economics. the institute of national planning.
Cita Chicago (17th ed.)zielinski, G. Are There Laws of Planning? Socialist Planning and Its Relevance to Mixed Economics. cairo: the institute of national planning.
Cita MLA (9th ed.)zielinski, G. Are There Laws of Planning? Socialist Planning and Its Relevance to Mixed Economics. the institute of national planning.
Atenció: Aquestes cites poden no estar 100% correctes.