A guide to programed instructional materials : a vailable to educators by september 1962 /

A guide to programed instructional materials : a vailable to educators by september 1962 / comp. The Center for Programmed Instruction. - Washington : The Center for Programmed Instruction, 1962. - 383 p. : il. - Programs ; 62 .

"OEA 34015"


Educación--Estados Unidos
Enseñanza programada