Dwivedi, D. (2009). Essentials of Business Economics. Vikas Publications.
Chicago-čujuhus (17. p.)Dwivedi, D.N. Essentials of Business Economics. Noida: Vikas Publications, 2009.
MLA-čujuhus (9. p.)Dwivedi, D.N. Essentials of Business Economics. Vikas Publications, 2009.
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