@article{vitry:hal-03240394, TITLE = {{Effectiveness and Efficiency of Strategic and Systemic Therapy in Naturalistic Settings: Preliminary Results from a Systemic Practice Research Network (SYPRENE)}}, AUTHOR = {Vitry, Gr{\'e}goire and Pakrosnis, Rytis and Brosseau, Olivier Gabriel and Duriez, Nathalie}, URL = {https://u-paris.hal.science/hal-03240394}, JOURNAL = {{Journal of Family Therapy}}, PUBLISHER = {{Wiley}}, YEAR = {2021}, MONTH = Apr, DOI = {10.1111/1467-6427.12343}, HAL_ID = {hal-03240394}, HAL_VERSION = {v1}, }