
![Implementing the Four Levels: A Practical Guide... [Large Print] 1442962054 Book Cover](https://i.thriftbooks.com/api/imagehandler/l/ADEF6CE908BEE14249FC7722E9C2051276D001CD.jpeg)
The purpose of this book is to make it easy for you, the reader, to understand the four levels that I (Don) have developed, and to obtain practical help on how to apply any one or all of them. The book is intended as an addition to and not a replacement for the basic book, Evaluating...