Carvalho, Mckenzie, Amy Hagerman, Phil Kenkel, and Dave Shideler. “Differences in Supplemental Nutrition Assistance (SNAP) Program Participation Among Oklahoma Counties”. Journal of Agriculture, Food Systems, and Community Development 11, no. 3 (May 6, 2022): 229–239. Accessed April 24, 2024. https://www.foodsystemsjournal.org/index.php/fsj/article/view/1073.