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="Zühlke-van Hulzen, Levin" or (type any "bookEditor issueEditor" and editor="Zühlke-van Hu... Add to list Journal Article A1 open access To manualize, or not to manualize : is that still the question? A systematic review of empirical evidence for manual superiority in psychological treatment Femke Truijens (UGent) , Levin Zühlke-van Hulzen and Stijn Vanheule (UGent) (2019) JOURNAL OF CLINICAL PSYCHOLOGY. 75(3). p.329-343