SEKARAN, U. (2010). Research methods for business: A skill-building approach 5th edition. John Wiley.
Chicago-viite (17. p.)SEKARAN, Uma. Research Methods for Business: A Skill-building Approach 5th Edition. John Wiley, 2010.
MLA-viite (8. p.)SEKARAN, Uma. Research Methods for Business: A Skill-building Approach 5th Edition. John Wiley, 2010.
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