Hilbert, Nathan, Jennifer Evans-Cowley, Jason Reece, Christy Rogers, Wendy Ake, and Casey Hoy. “Mapping the Cost of a Balanced Diet, As a Function of Travel Time and Food Price”. Journal of Agriculture, Food Systems, and Community Development 5, no. 1 (December 6, 2014): 105–127. Accessed March 29, 2024. https://www.foodsystemsjournal.org/index.php/fsj/article/view/303.