Gupta,Prem kumar, & Hira,D.S. (2012). Problems in Operations Research: Principles and solutions. S Chand.
Styl ChicagoGupta,Prem kumar, a Hira,D.S. Problems in Operations Research: Principles and Solutions. Newdelhi: S Chand, 2012.
Citace podle MLAGupta,Prem kumar, a Hira,D.S. Problems in Operations Research: Principles and Solutions. S Chand, 2012.
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