LIU, Kewei. The Influence of Coupons on Marketing in Different Situations. Finance & Economics, [S. l.], v. 3, n. 5, p. 6772, 2025. DOI: 10.61173/kj4rb398. Disponível em: https://fe.deanfrancis.press/article/view/385. Acesso em: 4 nov. 2026.