Kothari, C. (1990). Research methodology: Methods and techniques (2nd.). Wiley eastern limited New Age International.
シカゴスタイル引用形Kothari, C.R. Research Methodology: Methods and Techniques. 2nd. New Delhi: Wiley eastern limited New Age International, 1990.
MLA引用形式Kothari, C.R. Research Methodology: Methods and Techniques. 2nd. Wiley eastern limited New Age International, 1990.
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