2026. Comparison of Cost and Construction Time for Drainage Projects Using a 150×150 cm Box Culvert and a Slab Culvert on Simpang Lebong Highway, Curup Subdistrict, Rejang Lebong Regency. Journal of Engineering and Applied Technology. 2, 1 (Jun. 2026), 413–424. DOI:https://doi.org/10.65310/gk75vg78.