Kothari, C. R. (2020). Research methodology (4th.). New Age International Publisher, New Delhi.
Chicago Style (17. basım) AtıfKothari, C. R. Research Methodology. 4th. New Age International Publisher, New Delhi, 2020.
MLA (9th ed.) AtıfKothari, C. R. Research Methodology. 4th. New Age International Publisher, New Delhi, 2020.
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