https://openlibrary.org/books/OL7581367M.opds Process Improvement Essentials CMMI, Six Sigma, and ISO 9001 2010-08-06T02:25:57Z James Persse https://openlibrary.org/authors/OL2727062A/James_Persse O'Reilly Media, Inc. September 14, 2006 350 eng https://openlibrary.org/books/OL7581367M urn:ISBN:0596102178 urn:ISBN:9780596102173