1.
Science of Animal Agriculture
by Herren, Ray V(Ray V. Herren)
ISBN: 9781435480742
List Price: $189.95
2.
The Science of Agriculture: A Biological Approach
by Ray V(Ray V. Herren) Herren
ISBN: 9780827358119
List Price: $174.95
3.
Classroom Interactive CD-ROM for Herren's The Science of Agriculture: A Biological Approach,...
by Herren, Ray V(Ray V. Herren)
ISBN: 9781439057711
List Price: $138.95