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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJournal of Profesional Issues in Engineering Education and Practice. ASCE, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJournal of Profesional Issues in Engineering Education and Practice. ASCE, 2007.
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