Ranjit Kumar. (2005). Research methodology: A step-by-step guide for beginners. Pearson education.
Chicago Stili AlıntıRanjit Kumar. Research Methodology: A Step-by-step Guide for Beginners. New Delhi: Pearson education, 2005.
MLA AlıntıRanjit Kumar. Research Methodology: A Step-by-step Guide for Beginners. Pearson education, 2005.
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