WANG, Weiya. Marketing Case Analysis of Perfect Diary Based on 4P Model. Finance & Economics, [S. l.], v. 2, n. 6, p. 4092, 2024. DOI: 10.61173/aha7d920. Disponível em: https://fe.deanfrancis.press/article/view/697. Acesso em: 4 nov. 2026.