Title: Real Process Improvement Using the CMMI, Author: Michael West
Title: Process Improvement and CMMI for Systems and Software, Author: Ron S. Kenett
Title: Software Process Improvement With Cmm / Edition 1, Author: Joseph Raynus
Title: Interpreting the CMMI (R): A Process Improvement Approach, Second Edition, Author: Margaret K. Kulpa
Title: Systematic Process Improvement Using Iso 9001, Author: Boris Mutafelija