Lidyawati, D.E., Adha, I. and Purwadi, O.T. 2020. Analysis of Supportive Lower Structure Building on Overpass Construction In The Sumatera Trans Toll Road. Jurnal Rekayasa Sipil dan Desain. 8, 1 (Feb. 2020), Hal. 221 – 228. DOI:https://doi.org/10.23960/jrsdd.v8i1.1288.