• 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