000 00344nam a2200145Ia 4500
020 _a9689999999999
082 _bT 0213
_a530
100 _a"Imtiaz Ahmed khan"
245 0 _aPhysics
260 _bRoyal Corporation Karachi
_aJamshoro
_c2019
300 _a434
944 _cTB
999 _c363766
_d363766