000 00347nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aHall,G.Stanley
245 _aEncyclopedia of educational problems
260 _aNew Delhi
260 _bAnmol
260 _c1989
300 _avol i-ii
650 _aEduction
_aEncyclopaedia
763 _a7512
999 _c35476
_d35476