00918nas 2200349 c 450 991014037890332120200820074109.0(CKB)2660000000009653(DE-599)ZDB2660690-2(OCoLC)796223064(DE-101)1021979333(EXLCZ)99266000000000965320120503a20109999 |y |engur|||||||||||txtrdacontentcrdamediacrrdacarrierFrontiers in Educational PsychologyLausanneFrontiers Media2010-Online-RessourceGesehen am 20.08.20Zeitschriftgnd-content3701500355DE-1019001JOURNAL9910140378903321Frontiers in Educational Psychology2001226UNINA