Willner, Lynn Shafer, Kristin Percy Calaff, Margo Gottlieb, and Fernanda Kray. “Transitioning from the ELPA21 English Language Proficiency Standards to the WIDA English Language Development Standards Framework”. WAESOL Educator 46, no. 1 (April 28, 2024): 4–12. Accessed July 27, 2026. https://educator.waesol.org/index.php/WE/article/view/169.