EFFECTIVENESS AND EFFICIENCY OF EXPERTS: AN EVALUATION OF AGRICULTURAL ECONOMISTS J A Groenewald Agrekon · Volume 29, Issue 4 (1990) · pp. 243–247 DOI: 10.1080/03031853.1990.9525108 Abstract No abstract Article information Published1 December 1990 Languageen PublisherInforma UK Limited LicenseNo license URL DOI10.1080/03031853.1990.9525108 Journal ISSN0303-1853; 2078-0400