Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "樋田, 勉 and Toida, Tsutomu","Probability of Shopping among Japanese Consumers : Variations by Storage, Travel, and Opportunity Costs",Dokkyo University Studies of Economics,09189491,獨協大学経済学部,2015-03,,96,30-54,https://cir.nii.ac.jp/crid/1050282813827780608,