著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Bart Vermeulen and Peter Goos and Martina Vandebroek,Models and optimal designs for conjoint choice experiments including a no-choice option,International Journal of Research in Marketing,0167-8116,Elsevier BV,2008-06,25,2,94-103,https://cir.nii.ac.jp/crid/1361418520544305280,https://doi.org/10.1016/j.ijresmar.2007.12.004