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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColombo Plan Staff College for Technician Education. Entrepreneurship Development. New Delhi: Tata McGraw Hill, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रColombo Plan Staff College for Technician Education. Entrepreneurship Development. Tata McGraw Hill, 1998.
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