TY - DATA T1 - The Expanding Children's Early Learning (ExCEL) Quality Study: Improving Preschool and Early Care and Education (ECE) Instruction through Curricula, Coaching, and Training, United States, 2019-2021 AU - Maier, Michelle PY - 2024 DO - 10.3886/ICPSR39222.v1 PB - Inter-university Consortium for Political and Social Research [distributor] ER -