Johan A, Rahardjo PP, Widjaja B. Evaluating Liquefaction Phenomenon Of Silty Sand Using Piezocone Penetration Test (CPTu). U Karst [Internet]. 2022 Apr. 30 [cited 2024 Jul. 22];6(1):1-15. Available from: https://ojs.unik-kediri.ac.id/index.php/ukarst/article/view/2118