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="Kamphausen, Gerrit" or (type any "bookEditor issueEditor" and editor="Kamphausen, Gerrit") Add to list Journal Article A2 open access The challenges and benefits of analyzing feedback comments in surveys : lessons from a cross-national online survey of small-scale cannabis growers Tom Decorte (UGent) , Aili Malm, Sharon Sznitman, Pekka Hakkarainen, Monica J. Barratt, Gary Potter, Bernd Werse, Gerrit Kamphausen, Simon Lenton and Vibeke Asmussen Frank (2019) METHODOLOGICAL INNOVATIONS. 12(1).