Socio-cognitive engineering: A methodology for the design of human-centred technology von Sharples, M., Jeffery, N., du Boulay, J.B.H., Teather, D., Teather, B., du Boulay, G.H.

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Logo building blocks von du Boulay, J.B.H., Howe, J.A.M.

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Robust natural language parsing in computer-assisted language instruction von Imlah, W. G, Boulay, J. B. du

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Logo building blocks: Student teachers using computer-based mathematics apparatus von du Boulay, J.B.H., Howe, J.A.M.

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