Συγγραφέας
American Society of Agronomy
2
Crop Science Society of America
2
NRC Research Press
2
National Association of Colleges and Teachers of Agriculture
2
National Research Council Canada
2
North American Colleges and Teachers of Agriculture
2
Society for Range Management
2
Weed Science Society of America
2
African Association of Insect Scientists
1
Agricultural History Society
1
American Animal Hospital Association
1
American College of Veterinary Internal Medicine
1
American Dairy Science Association
1
American Fisheries Society
1
American Forestry Association
1
American Forests (Association)
1
American Society of Farm Managers and Rural Appraisers
1
Anvery, Asad Ali, Saiyald, 1907-
1
Association for Veterinary Teaching and Research Work
1
Australian Society of Dairy Technology
1
British Society of Animal Science
1
British Veterinary Association
1
Centre de recherches agronomiques de l'état (Gembloux, Belgium)
1
European Aquaculture Society
1
European Association for Animal Production
1
European College of Equine Internal Medicine
1
European College of Veterinary Internal Medicine--Companion Animals
1
European College of Veterinary Neurology
1
European Foundation for Plant Pathology
1
Faculté des sciences agronomiques de l'Etat (Gembloux, Belgium)
1
Firenze University Press
1
Food and Agriculture Organization of the United Nations
1
Food and Agriculture Organization of the United Nations. Fishery and Aquaculture Information and Statistics Service
1
Food and Agriculture Organization of the United Nations. Forestry Department
1
Institut Penyelidikan Perhutanan Malaysia
1
Institut national de la recherche agronomique (France)
1
International Centre of Insect Physiology and Ecology
1
International Organization for Biological Control
1
International Shade Tree Conference
1
International Society of Arboriculture
1
Irish Veterinary Association
1
Mediterranean Phytopathological Union
1
National Parks Conservation Association
1
National Parks and Conservation Association
1
National Wildlife Federation
1
Netherlands Study Circle of Plant Breeding
1
Nihon Ringakkai
1
Nihon Shinrin Gakkai
1
Nordic Council for Wildlife Research
1
Northwest Atlantic Fisheries Organization
1
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