Wood, Paola Silvia; Kruger, P.E. (Pieter Ernst); Loots, J.M.; Grimbeek, J. (Jackie)(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2007-12)
Terblanche, S.E. (Stephanus Esaias), 1940-(South African Society for Agricultural Extension, Department of Agricultural Ecomomics, Extension and Rural Development, University of Pretoria, 2007)
Stevens, Joseph Benjamin(South African Society for Agricultural Extension, Department of Agricultural Ecomomics, Extension and Rural Development, University of Pretoria, 2007)
Sebadieta, Rapelang Bamba; Terblanche, S.E. (Stephanus Esaias), 1940-; Ngomane, Tsakani(South African Society for Agricultural Extension, Department of Agricultural Ecomomics, Extension and Rural Development, University of Pretoria, 2007)
Debusho, Legesse Kassa(South African Society of Crop Production/ Soil Science Society of South Africa/ Southern African Weed Science Society/ Southern African Society for Horticultural Sciences, 2008)
De Vos, Lieschen; Myburg, Alexander Andrew; Wingfield, Michael J.; Desjardins, Anne E.; Gordon, Thomas R. (Tom); Wingfield, Brenda D.(Elsevier, 2007-08)