Wheelwright, Steven C., author
The Free Press, 1995
Buku Teks
Muhammad Faisal Suhaeli, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Makalah dan Kertas Kerja
Wheelwright, Steven C., author
The Free Press, 1992
Buku Teks
Pinto, Jeffrey K., author
Van Nostrand Reinhold, 1995
Buku Teks
project Management Insitute
Project Management Institute, 2001
Buku Teks