ISBN 730216472X books & textbook
Beijing colleges of higher education teaching quality information management and information systems textbook series: Discrete Mathematics (4th Edition)
GENG SU YUN QU WAN LING ZHANG LI ANG
Tsinghua University Press Pub. Date :2008-03-01 /1991-01-01 Paperback
isbn-10: 730216472X / isbn-13: 9787302164722
