Estimating the current mean age of mothers at the birth of their first child from household surveys
Crossref DOI link: https://doi.org/10.1186/s12963-015-0058-9
Published Online: 2015-09-14
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Bongaarts, John
Blanc, Ann K.
License valid from 2015-09-14