Kumar, R. (2014). Research methodology: Stepbystep guide for beginners (Fourth edition.). SAGE.
Tohutoru Kātū Chicago (17th ed.)Kumar, Ranjit. Research Methodology: Stepbystep Guide for Beginners. Fourth edition. Los Angeles: SAGE, 2014.
Tohutoro MLA (9th ed.)Kumar, Ranjit. Research Methodology: Stepbystep Guide for Beginners. Fourth edition. SAGE, 2014.
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