Bibliografía (10 obras)
Handbook on agricultural education in public schools
2007
Agriscience mechanics
1998
Mechanics in agriculture
1967
1965
Ideas for farm mechanics projects and activities
1962
Farm mechanics text and handbook
1959
Your opportunities in vocational agriculture
1957
Successful practices in adult farmer education
1954
Handbook on teaching vocational agriculture
1952
Supervised farming programs in Illinois
1949
