Show 100 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "structured heterogeneity" cql: author exact 000060467776 or (type exact bookEditor and editor exact 000060467776) Add to list Journal Article A1 open access Seeking systematicity in variation : theoretical and methodological considerations on the “variety” concept Anne-Sophie Ghyselen (UGent) and Gunther De Vogelaer (2018) FRONTIERS IN PSYCHOLOGY. 9. p.1-19