000 00328nam a2200145Ia 4500
020 _a9789696230052
082 _bT-397
_a530
100 _a"Masood Ahmed"
245 0 _aPure Physics
260 _bRedspot,,TCS
_aPAKISTAN
_c2021
300 _a0
944 _cTR
999 _c147395
_d147395