TAUFIK, E. R. THE BUILD OF CUSTOMER LOYALTY BY POLICY OF PRICE ON SALES PROMOTION. Management Science Research Journal, [S. l.], v. 1, n. 2, p. 65–71, 2022. DOI: 10.56548/msr.v1i2.50. Disponível em: https://managementscienceresearchjournal.com/index.php/msr/article/view/50. Acesso em: 24 oct. 2025.