Heymann, J. (2010). Profit at the bottom of the ladder: Creating value by investing in your workforce. Boston, Mass: Harvard Business Press.
Trích dẫn kiểu ChicagoHeymann, Jody. Profit At the Bottom of the Ladder: Creating Value By Investing in Your Workforce. Boston, Mass: Harvard Business Press, 2010.
Trích dẫn MLAHeymann, Jody. Profit At the Bottom of the Ladder: Creating Value By Investing in Your Workforce. Boston, Mass: Harvard Business Press, 2010.
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