ASPLUND, Ingemar; JOHANSEN, Oscar. The Goal Differentiation its Traditional and Behavioral Approaches. Ledelse og Erhvervsøkonomi, [S. l.], v. 29, 1965. Disponível em: https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/34282. Acesso em: 5 feb. 2026.