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How should one test?. When should one test?. And, when should one stop testing?. In other words, how should one select a VVT strategy and how it be optimized?. The book is organized in three parts: The first part provides introductory material about systems and VVT concepts.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.