Gaynor, Gerard H.
Exploiting cycle time in technology management
McGraw-Hill, 1993
 Buku Teks SO
Webber, Ross A.
Time and management
Van Nostrand Reinhold, 1972
 Buku Teks SO
Mancini, Marc
Time management
McGraw-Hill, 2003
 Buku Teks SO
Analisa perbedaan antara Cycle Time teoritis dengan Cycle Time lapangan untuk kasus wheel loader"""
Fakultas Teknik Universitas Indonesia, 1996
 UI - Skripsi Membership
Exploiting knowledge in health services
edited by Graham walton, Andrew Booth
Facet Publishing, 2004
 Buku Teks SO