000 00315nam a2200133Ia 4500
008 210212s9999||||xx |||||||||||||| ||und||
072 _aED
082 _a370.15H Asw.N3
100 _aAswal, G. S.
245 0 _aShiksha manovigyan
260 _c1993
_bVani Prakashan
_aNew Delhi
300 _a285p.
942 _cSU
999 _c115702
_d115702