By Valk Helga   in Child Indicators Research

ISSN:1874-897X|3|4|503-524

Springer Publishing Company ‎(2010)‎

Access to resources Favorite 19.991909

By Valk Helga   in European Journal of Population/ Revue europenne de Dmographie

ISSN:0168-6577|26|3|379-380

Springer Publishing Company ‎(2010)‎

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By de Valk Helga A. G.   Billari Francesco C.   in Population Studies

ISSN:0032-4728|61|2|201-217

Routledge Ltd‎(2007)‎

Access to resources Favorite 10.996429