000 00266nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aKRISHNA MODUGULA RAVI
_915083
245 0 _aEXAMINATION SYSTEM
260 _bDISCOVERY PUB.
_c2004
300 _a403
942 _cBK
999 _c111222
_d111222