Kusumo, D. P., D. Sandrina, and S. S. N. Banjarsanti. “Evaluation of Drainage System on Jalan Slamet Riyadi and the Mahakam IV Bridge Approach Road, Samarinda City”. Nusantara Civil Engineering Journal, Vol. 2, no. 1, Feb. 2023, pp. 53 -64, doi:10.32487/nuce.v2i1.437.