SEKARAN, U. (2013). Research methods for business a skill-building approach. John Wiley & Sons.
Chicago-viite (17. p.)SEKARAN, Uma. Research Methods for Business a Skill-building Approach. John Wiley & Sons, 2013.
MLA-viite (8. p.)SEKARAN, Uma. Research Methods for Business a Skill-building Approach. John Wiley & Sons, 2013.
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