000 00345nam a2200145Ia 4500
020 _a"00000000000"
082 _bT 173
_a540
100 _a"SAIFUDDIN, DR."
245 0 _aCHEMISTRY PRACTICAL
260 _bPROMOTION PUBLISHER
_aKARACHI
_c2017
300 _a136
944 _cTB
999 _c366195
_d366195