Johan, Albert, Paulus Pramono Rahardjo, and Budijanto Widjaja. “Evaluating Liquefaction Phenomenon Of Silty Sand Using Piezocone Penetration Test (CPTu)”. UKaRsT 6, no. 1 (April 30, 2022): 1–15. Accessed May 19, 2024. https://ojs.unik-kediri.ac.id/index.php/ukarst/article/view/2118.