Day , R. .. A., & Underwood , A. .. L. (1988). Quantitative analysis (5th ed.). Prentice hallof India.
Chicago Edition CitationDay , R . A., and A . L. Underwood. Quantitative Analysis. 5th ed. New Delhi: Prentice hallof India, 1988.
Deismireacht MLADay , R . A., and A . L. Underwood. Quantitative Analysis. 5th ed. Prentice hallof India, 1988.
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