000 00331nam a22001457a 4500
040 _cPK-LaCSN
082 _aT540
_bSIN-C
100 _aBoard, sindh
245 _aChemistry X
_bJournal of practical activities
_hEnglish
300 _3text
_c27 cm
490 _3text
700 _aBoard, sindh
942 _2ddc
_cTB
999 _c825522
_d825499