Fransisca, Diandra Chika, Departement of Information Engineering, Institut Teknologi Telkom Purwokerto, Indonesia, Indonesia
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Vol 9, No 5 (2020): International Journal of Supply Chain Management (IJSCM) - Articles
A Customer Relationship Management (CRM) Aprroach with the Spiral Model (Case Study: Information System at Optik Sejahtera)
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