Lockyer, K.G.
An Introduction to critical path analysis
Sir Isaac Pitman and Sons, 1969
 Buku Teks SO
Bradt, A. Gordon
Five keys to productivity and profits
Parker, 1973
 Buku Teks
Yasmina Zubaedah
Revisiting the miles and snow typology : Strategic path mediates business strategy and resource configuration for innovation
Universitas Indonesia, 2013
 Artikel Jurnal
Altshuler, Edward A.
People, power and profits
Bobbs-Merrill, 1967
 Buku Teks
Ridge, Warren J.
How to control cost and improve profits through the effective management of computer software
Illinois Dow Jones-Irwin , 1973
 Buku Teks SO