: dr._R._Guizzardi_-_Silva_Souzahttp://www.federatedcourseexplorer.org# Create a prefix for http://www.federatedcourseexplorer.org# Hit Enter to save Double click to create a prefix | : emailhttp://schema.org/ Create a prefix for http://schema.org/ Hit Enter to save Double click to create a prefix | r.guizzardi@utwente.nl |