DocumentCode
5890
Title
Assessment of the U.S. Department of Labors Tractor and Machinery Certification Program
Author
Scott D Scheer استاد راهنما
University
OhioLINK ETD
Grade
دكتري
Major
Doctor of Philosophy )Ohio State University, Agricultural Education(
Number of pages
0
Publish Date
2006
Keyword
youth , Education, Agricultural , Agriculture , Tractor , MACHINERY , Safety , certification
Note
01
Language
انگليسي
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