TANDJUNG, I. R.; WIJAYA, A.; KESUMA, D.; BUBUN, O. PERANCANGAN E-CRM PADA PT ZERO CELCIUS INDONESIA. CommIT (Communication and Information Technology) Journal, [S. l.], v. 2, n. 1, p. 8-16, 2008. DOI: 10.21512/commit.v2i1.486. Disponível em: https://journal.binus.ac.id/index.php/commit/article/view/486. Acesso em: 9 mar. 2025.