000 00319nam a2200145Ia 4500
020 _a9780602575731
082 _bT-680
_a891.439
100 _a"NA"
245 0 _aTextbook 2
260 _b,Bookgroup
_aPakistan
_c2005
300 _a12
944 _cTB
999 _c796744
_d796744