SIMORANGKIR, N. THE INFLUENCE OF POSITIONING AND PRODUCT DIFFERENTIATION ON INTEREST IN BUYING PT GRAHA ALUMINUM PRODUCT MEDAN. Journal of Financial Management & Accounting, [S. l.], v. 1, n. 1, p. 33–39, 2024. Disponível em: https://journal.trasaka.com/index.php/JoFIMA/article/view/15. Acesso em: 2 aug. 2025.