@book{RR-A134-21,
author="Doan, Sy and Anna Shapiro",
title="Do Teachers Think Their Curriculum Materials Are Appropriately Challenging for Their Students? Findings from the 2023 American Instructional Resources Survey",
address="Santa Monica, CA",
year="2023",
doi="10.7249/RRA134-21",
publisher="RAND Corporation"
}%n