Liu, C L ., Elements Of Discrete Mathematics : A Computer Orientede Approach / by C L Liu & D P Mohapatra . - 4th Ed. - New Delhi: McGraw Hill Education ( India) Private Limited, 2013. - xii, 627p.: 15cm. Index. ISBN: 9781259006395 Subjects--Index Terms: Arithmetic, Mathematics Dewey Class. No.: 513.5