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AgricultureAnimal SciencesAnimal WelfareFarm ManagementLivestock ProductionAnimal Decision-makingAnimal HusbandryAnimal Welfare AssessmentAnimal Behaviour MonitoringFarm Animal BehaviorFarm Animal BehaviourFarm Animal Welfare AssessmentOperant Behavior
127
Ernest Kilzer, B. F. Skinner · The American Catholic Sociological Review · 1953 · 9K citations
Keller Breland, Marian Breland · American Psychologist · 1961 · 1.2K citations
Health, Education, and Welfare
John W. Gardner · Science · 1965 · 265 citations