Gupta, P.K..
Operations Research and Quantitative Analysis / - 1st ed / - New Delhi-55 : S. Chand & Company Ltd.. - p987 ;
Quantitative Analysis
X:8f3 / N3;1
Operations Research and Quantitative Analysis / - 1st ed / - New Delhi-55 : S. Chand & Company Ltd.. - p987 ;
Quantitative Analysis
X:8f3 / N3;1