Christa, G., and M. Ilmi. “"DESIGN AND IMPLEMENTATION OF SIBERKAS: A DESKTOP-BASED DOCUMENT COMPLETENESS VERIFICATION INFORMATION SYSTEM FOR LAND DEED OFFICIALS (PPAT) USING THE WATERFALL METHOD”. JUTEKDISI, Vol. 3, no. 2, Sept. 2026, pp. 16-24, doi:10.47024/jutekdisi.v3i2.1309.