Bell, J. (1999). Doing your research project: A guide for first-time researchers in education and social science (Third edition.). Viva Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education and Social Science. Third edition. New Delhi: Viva Books, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education and Social Science. Third edition. Viva Books, 1999.
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