TY  - REP
AU  - Leslie,J.F.
AU  - Frederiksen,R.A.
TI  - Appendix:  nominal group discussion technique and questions
KW  - Breeding
KW  - AGROVOC
KW  - Cropping systems
KW  - Developing Countries
KW  - Genetic resistance
KW  - Pathogenesis
KW  - Technological changes
KW  - Agricultural research
ER  -