Tulsian, P C. Quantitative techniques: theory and problems / By P C Tulsian and Vishal Pandey. - 1st ed. - New Delhi : Pearson Education , 2009. - xii,12.18p. ; 24 cm. ISBN: 9788131701867 Subjects--Topical Terms: Linear programming-graphical methodAssignment problemsTransportation problems Dewey Class. No.: 519.53 / TULP