Johan A, Rahardjo PP, Widjaja B. Evaluating Liquefaction Phenomenon Of Silty Sand Using Piezocone Penetration Test (CPTu). U Karst [Internet]. 30 April 2022 [dikutip 19 Mei 2024];6(1):1-15. Tersedia pada: https://ojs.unik-kediri.ac.id/index.php/ukarst/article/view/2118