KOTHARI C R. (1986). RESEARCH METHODOLOGY: METHODS & TECHNIQUES. WILEY EASTERN LTD.
Chicago-čujuhus (17. p.)KOTHARI C R. RESEARCH METHODOLOGY: METHODS & TECHNIQUES. BOMBAY: WILEY EASTERN LTD, 1986.
MLA-čujuhus (9. p.)KOTHARI C R. RESEARCH METHODOLOGY: METHODS & TECHNIQUES. WILEY EASTERN LTD, 1986.
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