Author

Gilbert Andrew Long

3 books found

Placeholder cover for Animal nutrition : programmed instruction units

Animal nutrition : programmed instruction units

Gilbert Andrew Long · First published 1966

Placeholder cover for Land judging and plant nutrition

Land judging and plant nutrition

Gilbert Andrew Long · First published 1966

Placeholder cover for Programed instruction for vocational agriculture teachers

Programed instruction for vocational agriculture teachers

Gilbert Andrew Long · First published 1966