SINGH P N. (1998). TRAINING FOR MANAGEMENT DEVELOPMENT (5TH.). SUCHANDRA PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH P N. TRAINING FOR MANAGEMENT DEVELOPMENT. 5TH. NEW DELHI: SUCHANDRA PUBLICATIONS, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH P N. TRAINING FOR MANAGEMENT DEVELOPMENT. 5TH. SUCHANDRA PUBLICATIONS, 1998.
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