000 00294nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aAggarwal, J.C.
245 0 _aEdcuational Technology, Management and Evaluation
260 _aAgra
_bVinod Pustak Mandir
_c2004
300 _ap.420
942 _cBK
999 _c11191
_d11191