Jantsch, E. (1969). Perspectives of planning. Paris: Organisation for Economic Co-operation and Development.
Trích dẫn kiểu ChicagoJantsch, Erich. Perspectives of Planning. Paris: Organisation for Economic Co-operation and Development, 1969.
Deismireacht MLAJantsch, Erich. Perspectives of Planning. Paris: Organisation for Economic Co-operation and Development, 1969.
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