000 00326nam a2200133Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a3
_bHIR
100 _aHira D S
245 0 _aSystem simulation
260 _aNew Delhi :
_bSultan Chand and Co,
_c2021.
350 _a110
650 _aInformation Technology
999 _c167789
_d167789