C R Kothari. (1985). Research Methodology: Methods & Techniques (II.). Wishwa Prakashan.
Chicago Stili AlıntıC R Kothari. Research Methodology: Methods & Techniques. II. New Delhi: Wishwa Prakashan, 1985.
MLA AlıntıC R Kothari. Research Methodology: Methods & Techniques. II. Wishwa Prakashan, 1985.
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