Author

Erica L. Farmer

2 books found

Cover of ASQ Certified Six Sigma Yellow Belt Study Guide Second Edition

ASQ Certified Six Sigma Yellow Belt Study Guide Second Edition

Erica L. Farmer, Grace L. Duffy · First published 2022

Cover of The ASQ CSSYB Study Guide

The ASQ CSSYB Study Guide

Grace L. Duffy Erica L. Farmer · First published 2017