Written instructional materials : an experimental comparison of problem-centered and traditional assignment sheets /

Bibliographic Details
Main Author: Cornwell, Raymond Leland
Format: Thesis Microform Book
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1961.
Subjects:
Description
Item Description:Microform.
Physical Description:xvii, 403 leaves : illustrations
Bibliography:Bibliography: leaves [218]-236.