DAS M N. (1989). STATISTICAL METHODS AND CONCEPTS. WILEY EASTERN LTD.
Chicago-čujuhus (17. p.)DAS M N. STATISTICAL METHODS AND CONCEPTS. NEW DELHI: WILEY EASTERN LTD, 1989.
MLA-čujuhus (9. p.)DAS M N. STATISTICAL METHODS AND CONCEPTS. WILEY EASTERN LTD, 1989.
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