1. State of the Restaurant Industry Fact Book,2020
2. America's Eating Habits: Food Away From Home;Saksena,2018
3. US Department of Agriculture. National School Lunch Program.https://www.ers.usda.gov/topics/food-nutrition-assistance/child-nutrition-programs/national-school-lunch-program. Accessed January 14, 2021.
4. Prisoners in 2018;Carson,2020
5. Future changes driving dietetics workforce supply and demand: future scan 2012–2022;Rhea;J Acad Nutr Diet,2012