BOANGMANALU, S.; INDRAWATI , I. . The effect of marketing mix on purchasing decisions modified with variables of education level and monthly allowance (Study on By.U products). Journal of Digital Business and Marketing, [S. l.], v. 1, n. 1, p. 1–13, 2025. DOI: 10.35912/jdbm.v1i1.3312. Disponível em: https://goodwoodpub.com/index.php/jdbm/article/view/3312. Acesso em: 10 oct. 2025.