@article{oai:ipss.repo.nii.ac.jp:00000384,
 issue = {2},
 journal = {人口問題研究, Journal of Population Problems},
 month = {Jun},
 note = {全文},
 pages = {250--339},
 title = {人口問題研究　第78巻第2号},
 volume = {78},
 year = {2022}
}