Selected References on Elementary-School Instruction. II. The Subject Fields

Autor:	Gray, William S., Smith, Dora V., Moore,, James T., Gray, William H., Eisen, Edna E., Rehage, Kenneth J., Norberg, Kenneth D.
Zdroj:	The Elementary School Journal, 1954 Oct 01. 55(2), 104-117.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/998251 Zobrazit plný text záznamu