@article{oai:repository.dl.itc.u-tokyo.ac.jp:00021926,
 author = {久保, 慶三郎},
 issue = {11},
 journal = {生産研究},
 month = {Nov},
 note = {application/pdf},
 pages = {474--477},
 title = {調査報告 : スコピエ市での3カ月+3カ月},
 volume = {22},
 year = {1970}
}