Tiwari, N. K., Operations Research N. K. Tiwari, Shishir K. Shandilya - New Delhi : PHP Learning Private Limited, c2006. - xiii, 292 p.: [G24] This book is having Bibliography on page no 285-287 ISBN: 9788120329669 Dewey Class. No.: 658.4032 / TIW/OPE