PERANCANGAN SISTEM ELECTRONIC CUSTOMER RELATIONSHIP MANAGEMENT (E-CRM) PADA LAPANGAN FUTSAL. Jurnal Ilmu Komputer dan Sistem Informasi, [S. l.], v. 3, n. 2, p. 63–67, 2015. DOI: 10.24912/jiksi.v3i2.3311. Disponível em: https://journal.untar.ac.id/index.php/jiksi/article/view/3311. Acesso em: 5 feb. 2026.