@article{oai:ynu.repo.nii.ac.jp:00008759,
 author = {土井, 日出夫},
 issue = {1・2},
 journal = {エコノミア},
 month = {Mar},
 pages = {19--31},
 title = {サービス業の販売対象について},
 volume = {67},
 year = {2017}
}