KOEFOED BJØRNSEN, M. John Neter and William Wasserman: "Fundamental Statistics for Business and Economics". New York. Allyn and Bacon, Inc. 1956, 630 s. Ledelse og Erhvervsøkonomi, [S. l.], v. 22, 1958. Disponível em: https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/33722. Acesso em: 22 dec. 2024.