000 00304nam a2200133Ia 4500
008 210113s9999 xx 000 0 und d
082 _a004 LEO-C
100 _aAlexis Leon
245 _aIntroduction To Computers
250 _a5th
260 _bLeon Tech
_aChennai
_c2018
300 _a450
942 _cBK
999 _c54667
_d54667