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Sparad:
Bibliografiska uppgifter
OCLC:20108640
Huvudupphovsman: Sapp, Gertrude
Institutionella upphovsmän: Alfred P. Sloan foundation, Florida. University, Gainesville. Curriculum laboratory, Florida. State Dept. of Education
Språk:English
Publicerad: Gainesville, Florida curriculum laboratory, College of education, University of Florida and State dept. of education [c1941]
Ämnen:
Materialtyp:

Monograph

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