- Author: Kenneth J. Ryan, C. George Ray, Nafees Ahmad, W. Lawrence Drew, James J. Plorde
- Language: English
- Year: 2014
- Author: Kenneth Ryan George Ray Nafees Ahmad W. Lawrence Drew James Plorde
- Language: Spanish
- Year: 2011
- Author: Kenneth Ryan C. George Ray Nafees Ahmad W. Lawrence Drew
- Language: English
- Year: 2014
- Author: Kenneth Ryan C. George Ray Nafees Ahmad W. Lawrence Drew
- Language: English
- Year: 2014
- Author: George Ray McEachern, Larry A Stein, Texas Agricultural Extension Service
- Language: English
- Author: Kenneth Ryan C. George Ray Nafees Ahmad W. Lawrence Drew James Plorde
- Language: English
- Year: 2010
- Author: Kenneth J. Ryan C. George Ray
- Language: English
- Year: 2003