ISO 9000

About Design Review, Verification and Validation
A short essay which is written by William Wong. It distinguish the terms "Design Review", "Design Verification" and "Design Validation" which are mentioned in the clause "Design Control" of ISO 9000 series. 
Several Questions before You Write
A short essay which is written by William Wong. By using the idea of "customer- supplier chain", It suggested 7 questions before writing any procedure or document.