NOVATOROV, E. V. Tracing the emergence of broadening marketing proposition: A thorny path. Journal of Economics Bibliography, [S. l.], v. 12, n. 2, p. 98–107, 2025. Disponível em: https://journals.econsciences.com/index.php/JEB/article/view/2624. Acesso em: 2 nov. 2025.