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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCommission, India. Planning. Report of the Working Group on Technical Education and Vocational Training. The author, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCommission, India. Planning. Report of the Working Group on Technical Education and Vocational Training. The author, 1960.
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