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Lessons in LOGO using LOGO in the classroom (BBC). LCSI version suitable for LOGOTRON LOGO. Turtle cards. Lektionen in LOGO mit LOGO im Unterricht (BBC). LCSI-Version fuer LOGOTRON LOGO. Aufgabenkarten. (English)
Barnet: Glentop Publishers. 1986. vp. ISBN: 1 85181 049 8
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