- Publication venue
- 'African Journals Online (AJOL)'
- Publication date
- 01/03/1997
- Field of study
- Publication venue
- 'African Journals Online (AJOL)'
- Publication date
- 01/01/2002
- Field of study
(Discovery and Innovation: 2002 14 (1-2): 1-7
- Publication venue
- 'Walter de Gruyter GmbH'
- Publication date
- 01/01/1989
- Field of study
- Publication venue
- 'African Journals Online (AJOL)'
- Publication date
- 01/01/1999
- Field of study
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- Field of study
- Publication venue
- 'Walter de Gruyter GmbH'
- Publication date
- Field of study
- Publication venue
- 'FapUNIFESP (SciELO)'
- Publication date
- 01/01/1980
- Field of study