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1Argitaratua 1991GaiakConference Proceeding Liburua
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2Argitaratua 1993GaiakConference Proceeding Liburua
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3Argitaratua 1984Gaiak “...Electronic digital computers Psychology Congresses....”
Conference Proceeding Liburua -
4Argitaratua 1987Gaiak “...Computer programming Psychological aspects Congresses....”
Conference Proceeding Liburua