@article{oai:ehime-u.repo.nii.ac.jp:02002209,
 author = {徐, 祝淇},
 issue = {1/2/3},
 journal = {愛媛経済論集},
 month = {Mar},
 pages = {13--17},
 title = {下水道設備点検作業の効率化に関する研究},
 volume = {28},
 year = {2009}
}