Pembangunan Sistem Electronic Customer Relationship Management pada PT. Beton Elemenindo Perkasa. Komputika : Jurnal Sistem Komputer, [S. l.], v. 8, n. 1, p. 1–11, 2019. DOI: 10.34010/komputika.v8i1.1649. Disponível em: https://ojs.unikom.ac.id/index.php/komputika/article/view/1649. Acesso em: 27 apr. 2025.