Smith, G. (1978). Wealth creation: The added value concept. London: Institute of Practitioners in Work study, Organisation and Methods.
Trích dẫn kiểu ChicagoSmith, Geoff. Wealth Creation: The Added Value Concept. London: Institute of Practitioners in Work study, Organisation and Methods, 1978.
ציטוט MLASmith, Geoff. Wealth Creation: The Added Value Concept. London: Institute of Practitioners in Work study, Organisation and Methods, 1978.
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