000 00259nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aGill (Nasib singh)
245 0 _aSoftwar Engineering
250 _a1
260 _bKHANNA PUBLISHER
942 _2ddc
_cSCIENCE
999 _c18359
_d18359