zielinski, G. are there laws of planning? socialist planning and its relevance to mixed economics. the institute of national planning.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)zielinski, G. Are There Laws of Planning? Socialist Planning and Its Relevance to Mixed Economics. cairo: the institute of national planning.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)zielinski, G. Are There Laws of Planning? Socialist Planning and Its Relevance to Mixed Economics. the institute of national planning.