READ: Preece, Rogers & Sharp
Conversation
Second edition Ch 4 pp 136 - 159
First edition: Ch 4 pp. 107 – 118
Co-ordination
Second edition Ch 4 pp 161 – 166
First edition: Ch 4 pp. 118 -124
Awareness
Second edition Ch 4 pp 166 – 172
First edition: Ch 4 pp. 124 - 128
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