0500 Oau 1100 2025 2050 ##0##urn:nbn:de:hebis:04-0009-2025-354-88163 2051 ##0##10.17192/ziaf.2025.5.1.8816 3000 Kupetz, Maxi 4000 L1 use in group work in the multilingual classroom 5584 peer interaction 5584 multilingual classroom 5584 Kooperation 5584 Arabic 5584 L1-Gebrauch 5584 Arabisch 5584 L1 use 5584 mehrsprachiges Klassenzimmer 5584 Peer-Interaktion 5584 cooperation