Zikmund. Business Research Methods with Coursemate. Cengage learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZikmund. Business Research Methods with Coursemate. Cengage learning.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZikmund. Business Research Methods with Coursemate. Cengage learning.
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