Biswal Purna Chandra Discrete mathematics and graph theory - 3rd - New Delhi PHI Learning Private Limited 2013 - xviii;689p cm. ISBN: 900 Standard No.: 121075 Source: 195, 03/01/2014, Classic Book Service Textual Subjects--Topical Terms: I I C Dewey Class. No.: B2895, (Q3) (Q3;1)