American school curriculum thirty-first yearbook.

Xehetasun bibliografikoak
Erakunde egilea:	American Association of School Administrators
Formatua:	Liburua
Argitaratua:	Washington [s.n.] 1953.
Saila:	It's Yearbook 31st
Gaiak:	Education > United States > Curricula. Education > Aims and objectives.