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BACKGROUND Report based on a service-mapping study and a systematic review concerning sexual health services for young people, either based in or closely linked to schools. OBJECTIVES To identify current forms of school-based sexual health services (SBSHS) and school-linked sexual health services (SLSHS) in the UK, review and synthesise existing evidence(More)
When a child paints, when a child draws and when a child pastes they participate in Piagetian concrete activity. The activities are concrete because they are the combination of mental processing and physical activities. On the computer the situation is similar. The extent to which painting, drawing and pasting are concrete activities is reflected in the way(More)
Specifications, that is to say formal specifications in a computing context, should be correct, concise and complete and intelligible to their intended audience. We consider the changes in our own thinking about notation and styles of writing specifications and our success (or lack of it) over the years in teaching the ideas behind specifications. In(More)
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