PRASETYANINGRUM, V.; NUR MAGHFIRAH AESTHETIKA. Manajemen Komplain Divisi Humas PT. Mubina Fifa Mandiri Sidoarjo dalam Menangani Keluhan Jamaah Umroh. Communicator Sphere, [S. l.], v. 1, n. 2, p. 69–74, 2021. DOI: 10.55397/cps.v1i2.12. Disponível em: https://communicatorsphere.org/index.php/communicatorsphere/article/view/12. Acesso em: 19 apr. 2026.