Abstract
Get full access to this article
View all access options for this article.
References
1.
Davis. James A.
1971
Elementary Survey Analysis
Englewood Cliffs : Prentice Hall.
2.
Vellekoop, Cora
1969
'Social strata in New Zealand' Pp. 233 -271 in John Forster (ed.), Social Process in New Zealand.
Auckland : Longman Paul.