Le droit public Romain. Septieme edition par J. Willems. Louvain 1910. ReprintPierre Willems · First published 1970Open the Tome
Global challenges and perspectives in blended and distance learningJ. Willems · First published 2013Open the Tome
Outlooks and Opportunities in Blended and Distance LearningB. Tynan, J. Willems, R. James · First published 2013Open the Tome
La Civilisation merovingienne dans le bassin mosanMarcel Otte, J. Willems · First published 1986Open the Tome
Voorspelbaarheid van studiegeschiktheid voor hoger onderwijsPaulus J. Willems · First published 1959Open the Tome