Amaral, Eliseu. “ase tudy of elay onstruction rojects in idau ili imor-este ridge”. IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 3, no. 1 (July 14, 2020): 20-28. ccessed November 24, 2024. https://jurnal.narotama.ac.id/index.php/ijti/article/view/1052.