GRüNBAUM, Niels Nolsøe. A THREE STEP B2B SALES MODEL BASED ON SATISFACTION JUDGMENTS. European Scientific Journal, ESJ, [S. l.], v. 11, n. 10, 2015. Disponível em: https://test.eujournal.org/index.php/esj/article/view/5900. Acesso em: 19 apr. 2025.