https://link.springer.com/article/10.1007/s10680-024-09727-1
https://pmc.ncbi.nlm.nih.gov/articles/PMC11729602/
https://doi.org/10.1007/s10680-024-09727-1
https://link.springer.com/article/10.1007/s10680-024-09727-1
https://pmc.ncbi.nlm.nih.gov/articles/PMC11729602/
https://doi.org/10.1007/s10680-024-09727-1