Jayagopal, R. (1990). Human resource development: Conceptual analysis and strategies. Sterling Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJayagopal, R. Human Resource Development: Conceptual Analysis and Strategies. New Delhi: Sterling Publishers, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJayagopal, R. Human Resource Development: Conceptual Analysis and Strategies. Sterling Publishers, 1990.
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