000 00379nam a2200145Ia 4500
003 PTTI
005 20251207204948.0
008 251207s9999 xx 000 0 und d
020 _c150
040 _aPTTI
245 0 _abbigyan sikhoner podhoti o proyog (
_cDR. DEVAPROSAD NAG CHOUDHARY, DR. SUMIT PAL
260 _bAheli pub.
_aKolkata
_c42431
300 _a264
_bPBK
942 _cBED
999 _c1688
_d1688