NUERNBERGER, P. (1992). Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNUERNBERGER, Phil. Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNUERNBERGER, Phil. Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall, 1992.
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