NWOKEDI, J. (2014). Effective methods to ensure the performance of a leader. The Reformer Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNWOKEDI, Joe. Effective Methods to Ensure the Performance of a Leader. The Reformer Publishers, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNWOKEDI, Joe. Effective Methods to Ensure the Performance of a Leader. The Reformer Publishers, 2014.
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