HELLER, R. (1996). THE COMPLETE GUIDE TO MODERN MANAGEMENT. JAICO PUBLISHING HOUSE.
Dyfyniad Arddull ChicagoHELLER, ROBERT. THE COMPLETE GUIDE TO MODERN MANAGEMENT. BOMBAY: JAICO PUBLISHING HOUSE, 1996.
Dyfyniad MLAHELLER, ROBERT. THE COMPLETE GUIDE TO MODERN MANAGEMENT. JAICO PUBLISHING HOUSE, 1996.
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