Arias Holgado MF, Fernández Serra F, Benjumea Rodríguez S. The law of Effect and the origin of behavior. Apunt. Psic. [Internet]. 1998 Nov. 27 [cited 2026 Oct. 26];16(3):259-82. Available from: https://apuntesdepsicologia.es/index.php/revista/article/view/1255