Schaffnit, S. B.; Sear, R.: Wealth modifies relationships between kin and women's fertility in high-income countries. Behavioral Ecology, 2014, 25. vsk, nro 4, s. 834–842. doi:10.1093/beheco/aru059ISSN 1045-2249
Bloom, David; Canning, David; Fink, Günther; Finlay, Jocelyn: Fertility, female labor force participation, and the demographic dividend. Journal of Economic Growth, 2009, 14. vsk, nro 2, s. 79–101. doi:10.1007/s10887-009-9039-9
Rai, Piyush Kant; Pareek, Sarla; Joshi, Hemlata: Regression Analysis of Collinear Data using r-k Class Estimator: Socio-Economic and Demographic Factors Affecting the Total Fertility Rate (TFR) in India. Journal of Data Science, 2013, 11. vsk. Artikkelin verkkoversio. (Arkistoitu – Internet Archive)
Rai, Piyush Kant; Pareek, Sarla; Joshi, Hemlata: Regression Analysis of Collinear Data using r-k Class Estimator: Socio-Economic and Demographic Factors Affecting the Total Fertility Rate (TFR) in India. Journal of Data Science, 2013, 11. vsk. Artikkelin verkkoversio. (Arkistoitu – Internet Archive)
Schaffnit, S. B.; Sear, R.: Wealth modifies relationships between kin and women's fertility in high-income countries. Behavioral Ecology, 2014, 25. vsk, nro 4, s. 834–842. doi:10.1093/beheco/aru059ISSN 1045-2249