Low-achieving secondary students learn mathematical problem solving -A longitudinal, qualitative video study Herold-Blasius, Raja ddc:510 2022 info:eu-repo/semantics/conferenceObject doc-type:conferenceObject text http://purl.org/coar/resource_type/c_5794 https://ris.uni-paderborn.de/record/65890 https://ris.uni-paderborn.de/download/65890/65891 Herold-Blasius R. Low-achieving secondary students learn mathematical problem solving -A longitudinal, qualitative video study. In: <i>Twelfth Congress of the European Society for Research in Mathematics Education (CERME12)</i>. ; 2022:452-459. eng info:eu-repo/semantics/openAccess