Crosbie, Liz
Strategy for sustainable business: environmental of partunity and strategic choice / Liz Crosbie, Ken Knight
McGraw-Hill , 1995
 Buku Teks
Certo, Samuel C.
Strategic management: concepts and applications / Samuel C. certo, J. Paul Peter, Edward Ottensmeyer
Irwin , 1995
 Buku Teks
Proctor, Tony
Creative problem solving for managers / Tony Proctor
Routledge, Taylor & Francis Group, 1999
 Buku Teks
Flood, Robert L.
Creative problem solving: total systems intervention / Robert L. Flood, Michael C. Jackson
John Wiley & Sons, 1991
 Buku Teks
Hagve, D.C.
Managrial economics: analysis for business decisions / D.C. Hagve
English Longvage Book Society and Longman Group , 1969
 Buku Teks