GUPTA S C. (1990). BUSINESS STATISTICS. HIMALAYA PUBLISHING HOUSE.
Chicago-čujuhus (17. p.)GUPTA S C. BUSINESS STATISTICS. NEW DELHI: HIMALAYA PUBLISHING HOUSE, 1990.
MLA-čujuhus (9. p.)GUPTA S C. BUSINESS STATISTICS. HIMALAYA PUBLISHING HOUSE, 1990.
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