Cooper,Donald R, Pamela S Schindler, & Sharma,J K. (2012). Business research methods (11th.). Tata Mc Graw Hill.
Chicago Style aipamenaCooper,Donald R, Pamela S Schindler, and Sharma,J K. Business Research Methods. 11th. New Delhi: Tata Mc Graw Hill, 2012.
MLA aipamenaCooper,Donald R, et al. Business Research Methods. 11th. Tata Mc Graw Hill, 2012.
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