Bemærk: Kan ikke leveres før jul.
Originally published in 1988, the purpose of this title was to present a coherent summary of the previous 30 years’ of research on the way in which animals and humans distribute their behaviour between alternative sources of reinforcement.
Bemærk: Kan ikke leveres før jul.
Originally published in 1988, the purpose of this title was to present a coherent summary of the previous 30 years’ of research on the way in which animals and humans distribute their behaviour between alternative sources of reinforcement.