MULENDA NGOYI Martin, and NGONGO NGONGO SYLVESTRE. “Preventive Maintenance of Inkjet Printers: The Case of the City of Kabinda (DRC)”. International Journal of Scientific Research and Innovative Studies, vol. 5, no. 4, Aug. 2026, pp. 918-26, doi:10.63883/ijsrisjournal.v5i4.915.