Wallensteen, Peter
Understanding conflict resolution: war, peace and the global system
Sage, 2002
 Buku Teks
Simangunsong, Anthon
Aplikasi filter kalman pada global positioning system
Fakultas Teknik Universitas Indonesia, 1998
 UI - Skripsi Membership
Sample, Seichi
applications of digital wireless technologies to global woreless communications
Prenticel Hall, 1997
 Buku Teks
Rudyanto Herlambang
Simulasi call setup GSM (Global System for Mobile Communication)
Fakultas Teknik Universitas Indonesia, 1997
 UI - Skripsi Membership
Ismu Santanu Sardam
Teknik perencanaan pembelahan sel pada global system for mobile communications (GSM)
Fakultas Teknik Universitas Indonesia, 1999
 UI - Skripsi Membership