SEVIRA , Imany Cinta; AGUSTIN , Harisatul; ZHULQURNAIN, Mohamad Rijal Iskandar. Maintain Customer Loyalty with Customer Relationship Management Approach: A Study of PT Fast Food Indonesia Tbk Surabaya Division. International Journal of Business and Management Technology in Society, [S. l.], v. 3, n. 1, p. 42–51, 2026. DOI: 10.12962/j30254256.v3i1.7857. Disponível em: https://journal.its.ac.id/index.php/ijbmts/article/view/7857. Acesso em: 30 jan. 2026.