000 00306nam a2200097Ia 4500
008 120229s9999 xx 000 0 und d
082 _a371.26 AGR
100 _aAggarwal, J.C.
245 _aEssential of examination system : evaluation, tests and measurement
260 _bVikas Publishing
_aNoida
_c1997
999 _c125435
_d125435