The difficulty of textbooks for the elementary grades
Subtitle: a survey of educators' and publishers' preferences
By: Sue Stankewitz Conrad
Published: 1981
Language: eng
Number of pages: 233
Subjects: Textbooks; Evaluation; Readability
Notes: UMI #81-25,476.

Vita.

Thesis (Ed. D.)--Harvard Graduate School of Education, 1981.

Bibliography: leaves [219-232]