Jackson, S. L. (2015). Research methods: A modular approach (Third edition.). CENGAGE Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJackson, Sherri L. Research Methods: A Modular Approach. Third edition. Stamford, CT: CENGAGE Learning, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJackson, Sherri L. Research Methods: A Modular Approach. Third edition. CENGAGE Learning, 2015.
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