Dale, M. (1999). Developing management skills: Techniques for improving learning and performance. Kogan Page.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDale, Margaret. Developing Management Skills: Techniques for Improving Learning and Performance. London: Kogan Page, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDale, Margaret. Developing Management Skills: Techniques for Improving Learning and Performance. Kogan Page, 1999.
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