Carlisle, Liz, and Albie Miles. “Closing the Knowledge Gap: How the USDA Could Tap the Potential of Biologically Diversified Farming Systems”. Journal of Agriculture, Food Systems, and Community Development 3, no. 4 (September 24, 2013): 219–225. Accessed May 23, 2022. https://www.foodsystemsjournal.org/index.php/fsj/article/view/211.