000 00307nam a2200133Ia 4500
008 160316s1991 xxu||||| |||| 00| 0 eng d
020 _a
100 _aLauri,A P
245 _aEncyclopedia Of Educational Research
250 _a
260 _aNEW DELHI
_bANMOL PUBLICATIONS
_c1991
300 _a
700 _a
_a
999 _c4220
_d4220