“Optimalisasi Pelayanan Online Ceisa 4.0 dalam Pengurusan Dokumen PEB di PT. Pancaran Logistik Indonesia: Optimization of Ceisa 4.0 Online Services in PEB Document Management at PT. Pancaran Logistik Indonesia”, matemar, vol. 5, no. 2, Mar. 2025, doi: 10.59225/jahxp439.