O artykule
Data publikacji: 02 wrz 2014
Zakres stron: 431 - 435
DOI: https://doi.org/10.2478/jos-2014-0024
© by John L. Eltinge
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
John L. Eltinge
U.S. Bureau of Labor Statistics, Office of Survey Methods Research, 2 Massachusetts Avenue NE, Washington DC 20212, U.S.A