Nugraha, Andrias Suhendra. “Tahanan Gesekan Selimut Pada Tiang Bor Panjang”. Jurnal Teknik Sipil 10, no. 2 (March 28, 2019): 185–207. Accessed June 15, 2025. http://114.7.153.31/index.php/jts/article/view/1391.