SEKARAN, U. (2016). Research methods for business a skill building approach 7th ed. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)SEKARAN, Uma. Research Methods for Business a Skill Building Approach 7th Ed. John Wiley & Sons, 2016.
Lua MLA (8ú heag.)SEKARAN, Uma. Research Methods for Business a Skill Building Approach 7th Ed. John Wiley & Sons, 2016.
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