000 00324nam a2200145Ia 4500
020 _a0000000000
082 _b3852
_a370.71
100 _a"Khan, Ahsan ullah"
245 0 _aTaleemi Tahqeeq
260 _aIslamabad
_c1997
300 _a370
944 _cTR
999 _c173360
_d173360