VOHRA N D. (1992). QUANTITATIVE TECHNIQUES. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago Style aipamenaVOHRA N D. QUANTITATIVE TECHNIQUES. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.
MLA aipamenaVOHRA N D. QUANTITATIVE TECHNIQUES. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.
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