JOHNSEN, Erik. Kenneth E. Boulding, & W. Allen Spivey Linear Programming and the Theory of the Firm. The Macmillan Company New York, 1960. 227 sider. Ledelse og Erhvervsøkonomi, [S. l.], v. 26, 1962. Disponível em: https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/34009. Acesso em: 6 dec. 2025.