المؤلف
United States. Social Security Administration. Office of Research, Evaluation, and Statistics
نتيجة 2
Goeller, Gail
نتيجة 1
Goeller, John
نتيجة 1
Matthews, J. L., 1946-
نتيجة 1
Muir, Nancy, 1954-
نتيجة 1
National Center for Health Statistics (U.S.)
نتيجة 1
Nolo (Firm)
نتيجة 1
United States. Office of Retirement and Survivors Insurance
نتيجة 1
United States. Social Security Administration. Division of Program Analysis
نتيجة 1
United States. Social Security Administration. Office of Policy
نتيجة 1
United States. Social Security Administration. Office of Research and Statistics
نتيجة 1
United States. Social Security Administration. Office of Research, Statistics, and International Policy
نتيجة 1