Early Childhood Education for English Language Learners: Development, Strategies, and ServicesPaolicelli, A. M., Kelsch, K., & McGoey, K. (2021). Early Childhood Education for English Language Learners: Development, Strategies, and Services [Research summary]. National Association of School Psychologists. https://www.nasponline.org/assets/Documents/Resources%20and%20Publications/Resources/ELL_Research-Brief.pdf