- Publication venue
- Publication date
- 01/01/1989
- Field of study
- Publication venue
- Publication date
- 01/01/1989
- Field of study
- Publication venue
- Publication date
- 01/01/1988
- Field of study
- Publication venue
- Ministere Agriculture Service Information
- Publication date
- 01/01/1981
- Field of study
- Publication venue
- Publication date
- 01/01/1988
- Field of study
- Publication venue
- Publication date
- 01/01/1989
- Field of study
- Publication venue
- Publication date
- 01/01/1996
- Field of study
- Publication venue
- Publication date
- 01/01/1989
- Field of study
- Publication venue
- Publication date
- 01/01/1993
- Field of study
- Publication venue
- 'Oxford University Press (OUP)'
- Publication date
- 01/01/1996
- Field of study