HUMBLE JOHN. (1971). MANAGEMENT BY OBJECTIVES. MCGRAW-HILL.
Chicago-čujuhus (17. p.)HUMBLE JOHN. MANAGEMENT BY OBJECTIVES. NEW YORK: MCGRAW-HILL, 1971.
MLA-čujuhus (9. p.)HUMBLE JOHN. MANAGEMENT BY OBJECTIVES. MCGRAW-HILL, 1971.
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