Suwignyo, Andre, Nelly Budiharti, and Mariza Kertaningtyas. “ANALISIS KELAYAKAN INVESTASI PENAMBAHAN ARMADA TRUK PADA UD. BERKAH KURNIAWAN”. Jurnal Valtech 8, no. 2 (November 23, 2025): 324-328. Accessed July 14, 2026. https://ejournal.itn.ac.id/valtech/article/view/16227.