Sidman, M. (1962). Reduction of shock frequency as reinforcement for avoidance behavior.
Citação norma ChicagoSidman, Murray. Reduction of Shock Frequency As Reinforcement for Avoidance Behavior. 1962.
MLA CitationSidman, Murray. Reduction of Shock Frequency As Reinforcement for Avoidance Behavior. 1962.
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