1978: 9th AETFAT Conference – Las Palmas, Spain
1982: 10th AETFAT Conference – Pretoria, South Africa
1985: 11th AETFAT Conference – Missouri, USA
1988: 12th AETFAT Conference – Hamburg, Germany
1991: 13th AETFAT Conference – Zomba, Malawi
1994: 14th AETFAT Conference – Wageningen, Netherlands
1997: 15th AETFAT Conference – Harare, Zimbabwe
2000: 16th AETFAT Conference – Meise, Belgium