TY - CHAP T1 - Fidelity T2 - Handbook on Implementation Science UR - http://dx.doi.org/10.4337/9781788975995.00020 PY - 2020/01/01 AU - Carroll C ED - DO - DOI: 10.4337/9781788975995.00020 PB - Edward Elgar Publishing SP - 291 EP - 316 Y2 - 2025/04/09 ER -