TRIPATHI .P.C. PRINCIPALS OF MANAGEMENT (2014.). MCGRAW HILL.
Chicago-čujuhus (17. p.)TRIPATHI .P.C. PRINCIPALS OF MANAGEMENT. 2014. NEW DELHI: MCGRAW HILL.
MLA-čujuhus (9. p.)TRIPATHI .P.C. PRINCIPALS OF MANAGEMENT. 2014. MCGRAW HILL.
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