Agung, Putera Agung M., and Mustaffa Anjang Ahmad. “Potential Liquefaction of Loose Sand Lenses: Case Study In Surabaya East Coastal Plain, Indonesia”. International Journal of Integrated Engineering, vol. 6, no. 2, Dec. 2014, https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/938.