Susi Lestari
Universitas Indonesia, 2017
UI - Skripsi (Membership)
Mella Camelia
2016
UI - Skripsi (Membership)
Murota, Kazuo
Society for Industrial and Applied Mathematics, 2003
eBooks
Udriste, Constantin
Kluwer Academic Publishers, 1994
Buku Teks
Ekeland, Ivar
Society for Industrial and Applied Mathematics, 1999
eBooks