Here are some links to sites we strongly recommend:
Scientific journals
Journal of the Experimental Analysis of Behavior
Behavioural Processes
Learning and Behavior
Behavior and Philosophy
Associations and Societies
Portuguese Association of Experimental Psychology
Society for the Quantitative Analysis of Behavior
Spanish Society of Comparative Psychology
Other Labs & Researchers
Fran Silva's webpage
Bill Timberlake's Behavior Systems and Learning Lab
John Staddon's Learning and Adaptive Behavior Group
Peter Killeen's Operant Lab
Russel Church's Time Lab
Other
University of Minho
Portuguese Foundation for Science and Technology