DeLonge, M., T. Robbins, A. Basche, and L. Haynes-Maslow. “The State of Sustainable Agriculture and Agroecology Research and Impacts: A Survey of U.S. Scientists”. Journal of Agriculture, Food Systems, and Community Development, vol. 9, no. 2, Feb. 2020, pp. 159-84, doi:10.5304/jafscd.2020.092.009.