000 00525nam a2200205Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aLB2822.A55
100 _aAlberty, Harold Bernard
245 0 _aSupervision in the secondary school
260 _aBoston
260 _bD. C. Heath and Company
260 _c1931
300 _aviii,471p.
300 _c20cm.
650 _aSchool management and organisation
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c99075
_d99075