000 00313nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aVenkataiah, S
245 0 _aQuality Education(Encyclopa of Education For 21st Century Series)
260 _aNew Delhi
_bAnmol Publications
_c2001
300 _a272p.
942 _cBK
999 _c11492
_d11492