Effectiveness of a programmed text on the retention of English grammar at the ninth grade level.
Published: 1962
Language: eng
Number of pages: 81
Subjects: Programmed instruction.; English language -- Grammar.
Other titles: Retention of English grammar.
Notes: Thesis (Ph. D. in Education)--Washington State University.

Bibliography: leaves 68-70.

WSU:Another copy on microfilm (no. 619)