00450nam a2200145   4500003000900000005001700009008004100026020003000067040001300097082001500110100002100125245009600146260003800242650002400280SEACOMEC20240720133247.0240720b        |||||||| |||| 00| 0 eng d  a 9788120336896cRs.205.00  aSEACOMEC  a511.1bK81  a Kolman, Bernard1 aDiscrete mathematical structurescBernard Kolman and Robert C  Busby and Sharon Cutler Ross  aNew Delhi b PHI Learning c 2007  a Finite mathematics