00388nam a22001097a 4500020001000000082001500010100002600025245002300051260002900074300003400103650014100137  a(pbk)  a512.2bZAH  aZahid Rafique Bhatti   aBasic group theory  aLahorebIlmi Kitab Khana  ax, 278 p.b: ill.c; 23.5 cm.  vGroup theory  vNormal subgroupsvSubgroups of a groupvLagrange's theoremvHomomorphisms vConjugacy classesvPermutation groups aFBSH