Kothari, C. R. (2019). Research Methodology: Methods and techniques (4 ed.). New age international publishers.
Chicago Stili AlıntıKothari, C R. Research Methodology: Methods and Techniques. 4 ed. newDelhi: New age international publishers, 2019.
MLA AlıntıKothari, C R. Research Methodology: Methods and Techniques. 4 ed. New age international publishers, 2019.
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