M. Sari, M. F. . Toyfur, and F. Hadinata, “INDEX AND RISK LEVEL OF LANDSLIDES ON ROAD AND BRIDGES LOCATED ON NATIONAL ROADS (CASE STUDY: KERINCI DISTRICT AND SUNGAI PENUH CITY, JAMBI PROVINCE)”, Int. J. Eng. Tech. Mgmt. Res., vol. 8, no. 6, pp. 1–11, Jun. 2021.