The World Bank, 2004
Buku Teks
Karp, Gerald, author
McGraw-Hill, 1981
Buku Teks
Muhammad Miqdad Robbani, author
2016
UI - Skripsi Membership
Rina Yuniarti, author
Fakultas Ilmu Komputer Universitas Indonesia, 2023
UI - Tugas Akhir
Batten,T.R., author
Oxford University Press, 1960
Buku Teks