John W. Creswell, V. L. P. C. Designing and Conducting Mixed Methods Research (2007).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohn W. Creswell, Vicki L. Plano Clark. Designing and Conducting Mixed Methods Research (2007).
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohn W. Creswell, Vicki L. Plano Clark. Designing and Conducting Mixed Methods Research (2007).
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