Johnson, P. (2013). Business Economics - II - SYBCOM - SEM IV. Manan Prakshan.
Chicago-čujuhus (17. p.)Johnson, P.A. Business Economics - II - SYBCOM - SEM IV. Mumbai: Manan Prakshan, 2013.
MLA-čujuhus (9. p.)Johnson, P.A. Business Economics - II - SYBCOM - SEM IV. Manan Prakshan, 2013.
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