Dyfyniad APA

Le, T. N., & Verma, V. K. (1997). An analysis of sample designs and sampling errors of the demographic and health surveys. Macro International.

Dyfyniad Arddull Chicago

Le, Thanh N., and Vijay K. Verma. An Analysis of Sample Designs and Sampling Errors of the Demographic and Health Surveys. Calverton, Md.: Macro International, 1997.

Dyfyniad MLA

Le, Thanh N., and Vijay K. Verma. An Analysis of Sample Designs and Sampling Errors of the Demographic and Health Surveys. Macro International, 1997.

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