001.42 KOT/R Kothari, C. R. Research Methodology : Methods and Techniques / C. R. Kothari and Gaurav Garg. - 4th ed.. - New Delhi : New Age International, 2021 xxi, 458 p Includes bibliographical references and index. 9789386649225 : 399.00 * Research Methodology General knowledge. * Garg, Gaurav, * Title
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