Adaptive educational hypermedia systems (AEHS) seek to make easier the learning process for each student by providing each one (potentially) different educative contents, customized according to the student’s needs and ...

In Criminology, fear of crime has been by and large a more common object of study than perceived risk of crime. Both concepts seem to be highly related. After all, they share theories (LaGrange, Ferraro, and Supanic 1992), ...

In Peru, there were clear signs of what can be considered the origins of our current cooperative organizations. The most important precedent found in Peru was the presence of pre-inca institutions strongly rooted in the ...