Goel, B. S. M. (2012). Pragati's operations research (27 edition.).
Chicago Edition CitationGoel, B S; Mittal. Pragati's Operations Research. 27 edition. Pragati Prakashan, Meerut, 2012.
Cita MLAGoel, B S; Mittal. Pragati's Operations Research. 27 edition. 2012.
Atenció: Aquestes cites poden no estar 100% correctes.