Natarajan, A. M. Operations research / A. M. Natarajan, P. Balasubramani and A. Tamilarasi. - New Delhi : Pearson Education, c2011. - vii, 738 p. : ill. ; 24 cm. Includes index. ISBN: 9788131700006 Subjects--Topical Terms: Operations research. Dewey Class. No.: 003 NAO