Discrete mathematics & its applications : with combinatorics and graph theory / Kenneth H. Rosen. Rosen, Kenneth H. Discrete mathematics. QA39.3 .R67 2007 511.1 22 ROD Includes bibliographical references and index. New Delhi : McGraw Hill Education, 2011 (2013). 2011 (2013). 2011 Text 843 p. in various pagings : ng