KOTHARI C R. (1987). RESEARCH METHODOLOGY: METHODS AND TECHNIQUES (2.). WILEY EASTERN LTD.
Chicago Style (17. basım) AtıfKOTHARI C R. RESEARCH METHODOLOGY: METHODS AND TECHNIQUES. 2. NEW DELHI: WILEY EASTERN LTD, 1987.
MLA (9th ed.) AtıfKOTHARI C R. RESEARCH METHODOLOGY: METHODS AND TECHNIQUES. 2. WILEY EASTERN LTD, 1987.
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