000 00350nam a2200145Ia 4500
020 _a0000000000
082 _b686
_a500
100 _a"Khan Ullah, Faizan"
245 0 _aScience k ibtadai Tajarbaat
260 _bUrdu Science Board
_aLahore
_c1994
300 _a176
944 _cBK
999 _c125138
_d125138