The Writing System: A Step-by-Step Guide for Business and Technical Writers
http://www.ingentaconnect.com/content/stc/tc/2004/00000051/00000001/art00010
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Jones, Irene
Technical Communication Online
2004

Abstract:

I would recommend this book to subject matter experts who lack writing expertise. The exercises and examples are especially beneficial to lone writers who often do not have an expert writer nearby to review their writing.