1. Science in the Systems Age: Beyond IE, OR and MS;Ackoff;Operations Res.,1973
2. Experiential learning in agriculture;Bawden,1983
3. The portfolio;Bawden;HERDSA News,1980
4. Competency based agricultural curricula—The Hawkesbury Experience;Bawden,1981
5. Effective small group communication;Bormann,1976