000 00342nam a2200121Ia 4500
008 220421s1991 xx 000 0 und d
041 _aeng
082 _a370.78
_bLAU/ENC
100 _aLaurci, A. P.(ed
_9569692
245 _aEncyclopaedia of Educational Research
260 _aNew Delhi
_b Anmol Publications
_c1991
440 _aVol-1
_9569693
999 _c395778
_d395778