The case for mixed-age grouping in early education /
Katz, Lilian.
The case for mixed-age grouping in early education / Lilian G. Katz, Demetra Evangelou, and Jeanette Allison Hartman. - Washington, D.C. : National Association for the Education of Young Children, c1990. - xi, 60 p. : il. ; 23 cm. - NAEYC ; #333 . - NAEYC (Series) ; #333. .
0935989315
Agrupación por aptitudes de los escolares.
Educación temprana en la niñéz.
LB3061 / K38 1990
The case for mixed-age grouping in early education / Lilian G. Katz, Demetra Evangelou, and Jeanette Allison Hartman. - Washington, D.C. : National Association for the Education of Young Children, c1990. - xi, 60 p. : il. ; 23 cm. - NAEYC ; #333 . - NAEYC (Series) ; #333. .
0935989315
Agrupación por aptitudes de los escolares.
Educación temprana en la niñéz.
LB3061 / K38 1990
