Kothari, C. Research methodology: Methods and techniques/2e (2nd ed.). Wiley Eastern.
シカゴスタイル引用形Kothari, C.R. Research Methodology: Methods and Techniques/2e. 2nd ed. Delhi: Wiley Eastern.
MLA引用形式Kothari, C.R. Research Methodology: Methods and Techniques/2e. 2nd ed. Wiley Eastern.
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