Southwood, T.R.E.
Chapman and Hall , 1968
Buku Teks
Lisapaly, Leonard, author
Universitas Indonesia,
UI - Laporan Penelitian
edited by Witold Marciszewski
Martinus Nijhoff Publishers, 1981
Buku Referensi
Kikuchi, Noboru, author
Society for Industrial and Applied Mathematics, 1988
eBooks
Muhammad Zulfikar Bintang Pradana, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
UI - Tugas Akhir