Harbian, S. D., and A. . Triyono. “Evaluation of Occupational Safety, Health, and Environmental Aspects in the Use of Geofoam on Clay Shale Soil As an Alternative Embankment Material”. Eduvest - Journal of Universal Studies, vol. 5, no. 10, Oct. 2025, pp. 12861-72, doi:10.59188/eduvest.v5i10.52131.