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100 _aWARNER RUBY H
245 0 _aELEMENTARY SCHOOL TEACHING PRACTICES
260 _aWASHINGTON
_bCENTER FOR APPLIED TESEARCH IN EDUCATION
_c1962
300 _a120
690 _aSCHOOL-EDUCATION
942 _cBK
999 _c27387
_d27387