Gulo, S., and R. Franchitika. “Optimalisasi California Bearing Ratio Tanah Lempung Lunak Menggunakan Metode Stabilisasi Dua Tahap”. Journal of Airport Engineering Technology (JAET), vol. 3, no. 1, Sept. 2022, pp. 20-27, doi:10.52989/jaet.v3i1.72.