- Author: Schilit Howard Mark
- Language: English
- Year: 2002
- Author: Schilit Howard Mark
- Language: English
- Year: 2002
- Author: Project Management Institute
- Language: English
- Year: 2006
- Author: Lederman Michelle Tillis
- Language: English
- Year: 2012
- Author: Wurm Julianne
- Language: English
- Year: 2005
- Author: Spencer Neil Hardy
- Language: English
- Year: 2004
- Author: Haines Staci
- Language: English
- Year: 1999