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THE RELATIVE EFFECTIVENESS OF SELECTED FILMSTRIPS AND SOUND MOTION PICTURES IN TEACHING SOIL CONSERVATION IN NINTH GRADE SOCIAL STUDIES CLASSES
Abstract
Abstract not available
Subject Area
Education
Recommended Citation
ORTGIESEN, LEROY, "THE RELATIVE EFFECTIVENESS OF SELECTED FILMSTRIPS AND SOUND MOTION PICTURES IN TEACHING SOIL CONSERVATION IN NINTH GRADE SOCIAL STUDIES CLASSES" (1954). ETD collection for University of Nebraska-Lincoln. AAI0007922.
https://digitalcommons.unl.edu/dissertations/AAI0007922