- Author: Sheldon P. Harrison Salich Y. Albert
- Language: English
- Year: 2019
- Author: Gail F. Breakey and Emmanuel Voulgaropoulos
- Language: English
- Year: 1976
- Author: Ho-Min Sohn Anthony F. Tawerilmang
- Language: English
- Year: 2019
- Author: T. P. Kasulis
- Language: English
- Year: 1981