Gupta, M. (2006). Quantitative techniques for decision making (2nd.). Prentice-Hall of India Pvt. Ltd.
Chicago-viite (17. p.)Gupta, M. Quantitative Techniques for Decision Making. 2nd. New Delhi: Prentice-Hall of India Pvt. Ltd, 2006.
MLA-viite (9. p.)Gupta, M. Quantitative Techniques for Decision Making. 2nd. Prentice-Hall of India Pvt. Ltd, 2006.
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