Denning, Brannon P., Samantha Graff, and Heather Wooten. “Laws to Require Purchase of Locally Grown Food and Constitutional Limits on State and Local Government: Suggestions for Policymakers and Advocates”. Journal of Agriculture, Food Systems, and Community Development 1, no. 1 (August 13, 2010): 139–148. Accessed March 28, 2024. https://www.foodsystemsjournal.org/index.php/fsj/article/view/15.