Little, R. J. A. 1., & Perera, S. (1981). Illustrative analysis, socio-economic differentials in cumulative fertility in Sri Lanka-a marriage cohort approach. Voorburg, The Hague, Netherlands: International Statistical Institute.
Citación estilo ChicagoLittle, Roderick J. A. 1949-, y Soma Perera. Illustrative Analysis, Socio-economic Differentials in Cumulative Fertility in Sri Lanka-a Marriage Cohort Approach. Voorburg, The Hague, Netherlands: International Statistical Institute, 1981.
Cita MLALittle, Roderick J. A. 1949-, y Soma Perera. Illustrative Analysis, Socio-economic Differentials in Cumulative Fertility in Sri Lanka-a Marriage Cohort Approach. Voorburg, The Hague, Netherlands: International Statistical Institute, 1981.
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