01222nas 2200361 450 99000348666020331620220831120142.01042-1629USA01000348666(ALEPH)000348666USA0100034866620110120a----9999km-y-itay50------baengUSagazz--||||Educational technology research and developmentAssociation for Educational Communications and TechnologyWashingtonAssociation for Educational Communications and Technologyvolumiill.27 cmComincia nel 1989Descrizione basata su Vol.40, n.1(1992);BimestraleInformaticaPeriodiciBNCF004.05Association for Educational Communications and TechnologyITsalbcISBD990003486660203316SCIPER II1991-1992;1992;SECIANATIEMP9020110120USA011056CIANATIEMP9020110127USA011002CIANATIEMP9020110207USA011505Educational technology research and development1110758UNISA