Proceedings

by Tillmann, H.J. (comp.), Hohenheim Univ., Stuttgart (Germany). Inst. fuer Agrarsoziologie, Landwirtschaftliche Beratung und Angewandte Psychologie ger, International Workshop on Agricultural Knowledge Systems and the Role of Extension eng 21-24 May 1991 Bad Boll (Germany), Albrecht, H. (comp.), Salas, M.A. (comp.), Dhamotharan, M. (comp.), Gottschalk, E. (comp.)
Published 1991