- Publication venue
- St. Martin's Press, New York, N.Y., US
- Publication date
- 01/01/1980
- Field of study
No full text
- Publication venue
- Kegan Paul International, London, GB
- Publication date
- 01/01/1997
- Field of study
No full textArabic version available in IDRC Digital Librar
- Publication venue
- Office of the Field Coordinator, STPI Project, Lima, PE
- Publication date
- 01/01/1975
- Field of study
No full text