B. R. Tama, S. . Yatnikasari, E. . Handayani, Z. . Umi, and F. . Agustina, “Overview Implementation of Precast U-Ditch Drainage Construction on Jalan Otto Iskandardinata”, J.Sci.Eng, vol. 2, no. 2, pp. 42–47, Jan. 2024.