Singh, S. P. (2002). Research methods in social sciences: A manual for designing Questionnaires. Kanishka.
シカゴスタイル引用形Singh, S. P. Research Methods in Social Sciences: A Manual for Designing Questionnaires. New Delhi: Kanishka, 2002.
MLA引用形式Singh, S. P. Research Methods in Social Sciences: A Manual for Designing Questionnaires. Kanishka, 2002.
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