00314nam a2200121Ia 4500100002400000650002400024366000700048654003700055245003700092260003400129082001700163546001200180  aMalik/D.S/ Sen/M.K   aDiscrete structures  f20  adiscrete mathematical strucutres  aDiscrete Mathematical structures  bThomas learningaMumbaic2004  a510/MALbMAL  aENGLISH