John Adams. Research Methods for Graduate Business and Social Science Students. SAGE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohn Adams. Research Methods for Graduate Business and Social Science Students. SAGE.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohn Adams. Research Methods for Graduate Business and Social Science Students. SAGE.
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