INDRAWAN, Y. V. The Effect of Price Fluctuations and Promotions on Consumer Interest in Gold Installment Products of Bank Syariah Indonesia. Business and Investment Review, [S. l.], v. 1, n. 3, p. 168–176, 2023. DOI: 10.61292/birev.v1i3.25. Disponível em: https://lgdpublishing.org/index.php/birev/article/view/25. Acesso em: 2 nov. 2025.