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1Argitaratua 1994GaiakConference Proceeding Liburua
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2Argitaratua 2001Gaiak “...Audio-visual education Psychological aspects Congresses....”
Conference Proceeding Liburua -
3Argitaratua 1995Gaiak “...Computer-assisted instruction Psychological aspects Congresses....”
Conference Proceeding Liburua