“ANALISA OPTIMASI BIAYA DAN WAKTU METODE TCTO (TIME COST TRADE OFF) (STUDY KASUS: PRESERVASI JALAN RUAS SP. GUNUNG KEMALA – SANGGI)” (2021) Teras, 11(2), pp. 16–23. Available at: https://ojs.unsiq.ac.id/index.php/teras/article/view/2537 (Accessed: 26 November 2025).