Arthur, Jay, 1951-
Lean six sigma for hospitals : simple steps to fast, affordable, and flawless healthcare
McGraw-Hill, 2011
 Buku Teks
Bennett, Greg
Consultative closing: simple steps that build relationships and win even the toughest sale
American Management Association;;, 2007
 eBooks
Hauptly, Denis J.
Something really new: three simple steps to creating truly innovative products
American Management Association, 2008
 eBooks
Susskind, Lawrence
Dealing With an angry public : the mutual gains approach to resolving disputes / Lawrence Susskind, Patrick Field
The Free Press, 1996
 Buku Teks
The process of conflict resolution in public project disputes : analysis by settlement methods
2009
 Artikel Jurnal