Lupkowski-ShoplikA.BehrensW. A.AssoulineS. G. (2018). Developing academic acceleration policies: Whole grade, early entrance & single subject. Iowa City: Belin-Blank Center, College of Education, University of Iowa. Retrieved from www.accelerationinstitute.org/policies/
2.
National Academies of Sciences, Engineering, and Medicine. (2018). How people learn II: Learners, contexts, and cultures. Washington, DC: The National Academies Press. doi:10.17226/24783
