Endiani, D., N. Salsabila, A. Telambanua, and A. Putri Hulu. “SUBGRADE REPAIR ON THE ROAD PAVEMENT IN TANJUNG REJO VILLAGE USING PALM KERNEL SHELL ASH AS REVIEWED FROM UNDRAINED CONSOLIDATED TRIAXIAL TESTS : An Experimental Study Based on Undrained Consolidated Triaxial Tests”. UPMI Proceeding Series, vol. 2, no. 02, Oct. 2025, pp. 1-9, https://upmiproceeding.my.id/index.php/ups/article/view/409.