Intertwining theory and practice: Design of planning phases in PD training to support effective teacher planning processes Knaudt, Katharina Herold-Blasius, Raja Selter, Christoph ddc:510 2026 info:eu-repo/semantics/conferenceObject doc-type:conferenceObject text http://purl.org/coar/resource_type/c_5794 https://ris.uni-paderborn.de/record/65880 https://ris.uni-paderborn.de/download/65880/65881 Knaudt K, Herold-Blasius R, Selter C. Intertwining theory and practice: Design of planning phases in PD training to support effective teacher planning processes. In: <i>Proceedings of the Fourteenth Congress of the European Society for Research in Mathematics Education (CERME14</i>. ; 2026:1–8. doi:<a href="https://hal.science/hal-05334687v1">https://hal.science/hal-05334687v1</a> eng info:eu-repo/semantics/altIdentifier/doi/https://hal.science/hal-05334687v1 info:eu-repo/semantics/openAccess