PHENGSOULITH, V. et al. 2025. IMPROVEMENT OF THE SUB BASE MATERIAL WITH A CBR LOWER THAN 25% BY MIXING THE LIME STONE POWDER (CaCo3): Soil Modification. Lao Science Journal. 2, 2 (Sep. 2025), 1–4. DOI:https://doi.org/10.71026/ls.2025.02016.