Handayani, Nanik, et al. “The Effect of Using Expanded Polystyrene (EPS) Geofoam As A Fill Material on Soft Soil on Settlement and Changes in The Groundwater Table: A Case Study of The Eastern Coastal Area of Langsa City, Aceh Province”. Journal Research of Social Science, Economics, and Management, vol. 6, no. 2, Sept. 2026, pp. 1100-1, doi:10.59141/jrssem.v6i2.1688.