Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kokubo Teruyoshi,The Ringelmann phenomenon and social loafing,鹿児島経済大学社会学部論集,09140700,The International University of Kagoshima,1988-10-15,7,3,41-56,https://cir.nii.ac.jp/crid/1570291227020669568,