-
ERIC : Education Resources Information Center
Ann Arbor, Mich. : ProQuest, 2002- ; Lanham, Md. : Education Resources Information Center, 2002- ; New York, NY : Ovid Technologies Inc., 2002- ; [Ipswich, Mass.] : EBSCO Publishing, 2002- ; Washington, DC : Educational Resources Information Center, -2003 ; Bethesda, Md. : CSA, -2010
Enthalten in: OCLC FirstSearch ; Anfangs: Ask Eric
UB Heidelberg , Lizenzfreie Online-Ressourcen