V. . PHENGSOULITH, K. . SOURIYAMATH, P. . SAIYASENH, and A. . MALAVONG, “IMPROVEMENT OF THE SUB BASE MATERIAL WITH A CBR LOWER THAN 25% BY MIXING THE LIME STONE POWDER (CaCo3): Soil Modification”, LSJ, vol. 2, no. 2, pp. 1–4, Sep. 2025, doi: 10.71026/ls.2025.02016.