Montgomery, Glenn E., author
GIS World, Inc., 1993
Buku Referensi
Sinaga, Felix Larry F., author
Fakultas Teknik Universitas Indonesia, 2022
UI - Tugas Akhir
edited by Wenzhong Shi, Anthony G.O. Yeh, Yee Leung, Chenghu Zhou
Springer, 2012
eBooks
Cita Ichtiara, author
Fakultas Teknik Universitas Indonesia, 2008
UI - Skripsi Open
Walford, Nigel, author
John Wiley & Sons, 2002
Buku Teks SO