Paikun, P., E. Suminar, A. Irawan, and S. Bahri. “DETERMINING ROAD HANDLING ACCORDING TO THE LEVEL OF DAMAGE USING SURFACE DISTRESS INDEX (SDI) METHOD”. ASTONJADRO, vol. 10, no. 1, Mar. 2021, pp. 135-49, doi:10.32832/astonjadro.v10i1.4265.