EKINCI, Y. (2015). Designing research questionnaires: For business and management students. Sage Publications.
Chicago-čujuhus (17. p.)EKINCI, Yuksel. Designing Research Questionnaires: For Business and Management Students. Sage Publications, 2015.
MLA-čujuhus (9. p.)EKINCI, Yuksel. Designing Research Questionnaires: For Business and Management Students. Sage Publications, 2015.
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