01922nas 2200541 a 450 991014343020332120230627152448.01556-6501(CKB)954925589375(CONSER) 2005215583(MiAaPQ)31121(OCoLC)45321626(EXLCZ)9995492558937520001110a19899999 uy aengurcnu||||||||txtrdacontentcrdamediacrrdacarrierEducational technology research and development ETR & DWashington, D.C. Association for Educational Communications and Technology[1989]-New York :SpringerA bi-monthly publication of the Association for Educational Communications & TechnologyRefereed/Peer-reviewed1042-1629 ETRDETR & DETRD EDUCATIONAL TECHNOLOGY RESEARCH AND DEVELOPMENTEDUCATIONAL TECHNOLOGY, RESEARCH & DEVELOPMENTETR&D-EDUC. TECH. RES. DEVETR&D-EDUC TECH RESEducational technologyPeriodicalsEducational technologyEvaluationPeriodicalsEducational technologyfast(OCoLC)fst00903623Educational technologyEvaluationfast(OCoLC)fst00903630Czasopismo pedagogiczne.dbnPeriodicals.fastPeriodicals.lcgftEducational technologyEducational technologyEvaluationEducational technology.Educational technologyEvaluation.371.3078Association for Educational Communications and Technology,JOURNAL9910143430203321Educational technology research and development1110758UNINA