A. C. Purnomo, N. Felia, and H. F. Budiana, “Rancang Bangun Sistem Informasi Customer Relationship Management Terhadap Penilaian Pelanggan Berbasis Web”, ceritaj, vol. 7, no. 2, pp. 172–178, Aug. 2021, doi: 10.33050/cerita.v7i2.1772.