HYMAN, L. . An Over-the-phone Sales Pitch for a “Discount Electric Service”. Distributed Generation & Alternative Energy Journal, [S. l.], v. 16, n. 1, p. 58, 2001. DOI: 10.13052/dgaej2156-3306.1619. Disponível em: https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14603. Acesso em: 15 may. 2026.