Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Willems, LL" or (type exact bookEditor and editor="Willems, LL") Add to list Journal Article A1 Classification of articles and journals on project control and earned value management LL Willems and Mario Vanhoucke (UGent) (2015) INTERNATIONAL JOURNAL OF PROJECT MANAGEMENT. 33(7). p.1610-1634