Edgar Dale

E. D. · E. Dale

Holt McDougal · McGraw-Hill

titleISBN-13
(ISBN-10)
year of publication
Audio-Visual Methods in Teaching.978-0-03-089006-2
(0-03-089006-3)
1969
Readability: Updated, Expanded and Explained978-0-07-015140-6
(0-07-015140-7)
1990

 

Edgar Damschen