000 00299nam a2200121Ia 4500
001 194770
008 170722s9999 xx 000 0 und d
245 _aPSC Q&A smart file /
260 _aThiruvananthapuram :
_bVETO ,
_c2017.
300 _a1278 p.
923 _d20170113
_nMBC-1461/1
942 _cREF
999 _c156121
_d156121