Content area
Title
THE RELATIVE EFFECTIVENESS OF SELECTED FILMSTRIPS AND SOUND MOTION PICTURES IN TEACHING SOIL CONSERVATION IN NINTH GRADE SOCIAL STUDIES CLASSES
Author
ORTGIESEN, LEROY
Year
1954
ISBN
9781084057241
Source type
Dissertation or Thesis
Language of publication
English
ProQuest document ID
301974695
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
