@article{oai:ipss.repo.nii.ac.jp:00000103,
 author = {菅, 桂太 and SUGA, Keita},
 issue = {30},
 journal = {IPSS Working Paper Series (E)},
 month = {Aug},
 pages = {1--23},
 title = {Lowest-low fertility in Singapore: Current state and prospects},
 year = {2019},
 yomi = {スガ, ケイタ}
}