Siagian, Andre Jonathan, Aleksander Purba, and Amril Ma’ruf Siregar. “Analisis Ekonomi Dan Finansial Shortcut Tegineneng - Tarahan”. Jurnal Rekayasa Sipil dan Desain 6, no. 3 (June 28, 2018): Hal. 221 – 232. Accessed November 17, 2025. http://journal.eng.unila.ac.id/index.php/jrsdd/article/view/843.