- Author: Linda C. Hodges, Jeanne Narum
- Language: English
- Year: 2015
- Author: Robert J. Marzano, David C. Yanoski, Diane Paynter
- Language: English
- Year: 2015
- Author: Robert Yager
- Language: English
- Year: 2005
- Author: Phyllis Katz, William C. Robertson
- Language: English
- Year: 2001
- Author: Eleanor D. Siebert, William J. McIntosh
- Language: English
- Year: 2001
- Author: Natural Resources Conservation Service
- Language: English
- Year: 2001
- Author: Linda White, Thomas O. Hueglin, Richard Simeon, Robert Vipond, Jennifer Wallner, Keith G. Banting, Alan C. Cairns, James Farney, Rodney S. Haddow, Ran Hirschl
- Language: English
- Year: 2008
- Author: Eric C. Sheninger, Keith Devereaux
- Language: English
- Year: 2009
- Author: Caryn M. King, Peg Sudol
- Language: English
- Year: 1997
