Kothari, C. R. (2013). Research methodology: Methods and techniques (2nd ed.). New age international.
シカゴスタイル引用形Kothari, C. R. Research Methodology: Methods and Techniques. 2nd ed. New Delhi: New age international, 2013.
MLA引用形式Kothari, C. R. Research Methodology: Methods and Techniques. 2nd ed. New age international, 2013.
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