SUHERMAN, Usep deden. Effect of Relationship Marketing and Competitive Advantage on Marketing Performance (Survey on Cellphone Customers in Bandung). Jurnal Manajemen Indonesia, [S. l.], v. 21, n. 2, p. 191–197, 2021. DOI: 10.25124/jmi.v21i2.2293. Disponível em: https://journals.telkomuniversity.ac.id/ijm/article/view/2293. Acesso em: 23 feb. 2025.