Rao, T. (2000). 360 degree feedback and performance management system. Excel.
Chicago-čujuhus (17. p.)Rao, T. 360 Degree Feedback and Performance Management System. New delhi: Excel, 2000.
MLA-čujuhus (9. p.)Rao, T. 360 Degree Feedback and Performance Management System. Excel, 2000.
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