Hershberger, Scott, Bret Shaw, Steven Moen, Tony Johnson, and Tricia Gorby. “Promoting Small-Scale Maple Syrup Production on Facebook: A Field Experiment Testing Emphasis Message Frames”. Journal of Agriculture, Food Systems, and Community Development 13, no. 4 (September 12, 2024): 199–224. Accessed February 14, 2025. https://foodsystemsjournal.org/index.php/fsj/article/view/1287.