State trends in Supplemental Nutrition Assistance Program eligibility and participation among elderly individuals [electronic resource] : final report / by Karen Cunnyngham.
Imprint
Washington, DC : Mathematica Policy Research : [USDA Economic Research Service], [2010]
Title from title screen (viewed November 10, 2010).
"This study was conducted by Mathematica Policy Research, Inc., under a cooperative research agreement with USDA's Economic Research Service (ERS) Food Assistance and Nutrition Research Program (FANRP)."