Sari, Siti Nur Indah, and Dwi Wahyuni. 2023. “Analysis of Soil Characteristics by Layer Based on the Robertson Et Al and Schmertmann Method from CPT (Cone Penetration Test)”. Sriwijaya Journal of Environment 8 (2):76-81. https://doi.org/10.22135/sje.2023.8.2.76-81.