Feby Milanie, Ruri Prihatini Lubis, Mhd. Ali Damanik and Anton Sahala Tua Banjarnahor 2026. IMPLEMENTATION OF ROAD AND DRAINAGE INFRASTRUCTURE DEVELOPMENT BY THE PUBLIC WORKS DEPARTMENT OF SIMALUNGUN REGENCY. Bulletin of Engineering Science, Technology and Industry. 4, 1 (Jan. 2026), 630–644. DOI:https://doi.org/10.59733/besti.v4i1.163.