Shook 2008; Sobek & Smalley 2008; Matthews 2011 - Shook, John (October 2008). Managing to learn: using the A3 management process to solve problems, gain agreement, mentor and lead. Cambridge, MA: Lean Enterprise Institute. ISBN 9781934109205. OCLC 276865965. https://search.worldcat.org/oclc/276865965
Shook 2008; Sobek & Smalley 2008; Matthews 2011 - Shook, John (October 2008). Managing to learn: using the A3 management process to solve problems, gain agreement, mentor and lead. Cambridge, MA: Lean Enterprise Institute. ISBN 9781934109205. OCLC 276865965. https://search.worldcat.org/oclc/276865965