Neuman, W. L. (2006). Social research methods: Quantitative and qualitative approaches. Pearson.
Tohutoru Kātū Chicago (17th ed.)Neuman, W. Lawrence. Social Research Methods: Quantitative and Qualitative Approaches. New Delhi: Pearson, 2006.
Tohutoro MLA (9th ed.)Neuman, W. Lawrence. Social Research Methods: Quantitative and Qualitative Approaches. Pearson, 2006.
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