The effectiveness of filmed science courses in public secondary schools
By: [by] W. James Popham [and] Joseph M. Sadnavitch.
Contributors: Sadnavitch, Joseph M., joint author.
Publisher: Dept. of Education and Psychology, Kansas State College of Pittsburg
Published: 1960
Place of publication: [Pittsburg]
Language: eng
Number of pages: 63
Subjects: Science -- Study and teaching (Secondary) -- Audio-visual aids.
Other titles: Filmed science courses in public secondary schools.
Notes: Bibliography: p. 63.