01410nas 2200469- 450 99621745220331620231101154343.01869-2699(OCoLC)502171042(CKB)110978978735065(CONSER)--2019207605(DE-599)ZDB2537911-2(EXLCZ)9911097897873506520100127a19809999 --- -gerur|||||||||||txtrdacontentcrdamediacrrdacarrierJournal für Mathematik-DidaktikBerlin :Springer1 online resourceRefereed/Peer-reviewed0173-5322 Journal for didactics of mathematicsJMDJ. Math.-Didakt.MathematicsStudy and teachingPeriodicalsMathematicsPeriodicalsMathematicsStudy and teachingfast(OCoLC)fst01012236Mathematicsfast(OCoLC)fst01012163Periodicals.fastMathematicsStudy and teachingMathematicsMathematicsStudy and teaching.Mathematics.510.5Gesellschaft für Didaktik der Mathematik.JOURNAL996217452203316Journal für Mathematik-Didaktik2169531UNISA