000 00317nam a2200133Ia 4500
008 220926s9999 xx 000 0 und d
100 _aM.L.Khanna & D.S.Phull
245 0 _aGeneral KnowlEdge Refresher
250 _a-
260 _aNew Delhi
260 _c0
650 _aGeneral KnowlEdge Refresher
942 _cREF
999 _c17464
_d17464