Warikar, Yance Y D, Nur Arifaini, and Amril Ma’ruf Siregar. “Body Cliff Safety Study Of Double Track Railway With Geostudio Slope/W Analysis”. Jurnal Rekayasa Sipil dan Desain 8, no. 1 (November 13, 2021): Hal. 95 – 104. Accessed October 15, 2025. https://journal.eng.unila.ac.id/index.php/jrsdd/article/view/1269.