TY - BOOK AU - Hsin, Lisa B. AU - Hsin, Lisa B. AU - Miratrix, Luke. AU - Kim, Ha Yeon. AU - LaRusso, Maria D. AU - Snow, Catherine. TI - Predictable variation in the implementation of a curricular intervention — and why it matters U1 - DPer 372.05 EL269 September-December 2023 v. 124 n. 1-2 PY - 2023/// CY - USA PB - The University of Chicago Press N1 - The Elementary School Journal, vol. 124, no. 1, pages 1-30, September 2023 ER -