SHAH R J. (2003). DESCRIPTIVE STATISTICS (5TH.). SHETH PUBLISHERS.
Chicago-čujuhus (17. p.)SHAH R J. DESCRIPTIVE STATISTICS. 5TH. MUMBAI: SHETH PUBLISHERS, 2003.
MLA-čujuhus (9. p.)SHAH R J. DESCRIPTIVE STATISTICS. 5TH. SHETH PUBLISHERS, 2003.
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