Hirpessa, Y. A., & Hailu, I. D. (2019). ASSESSMENT OF FAILURE ON DRAINAGE STRUCTURES ALONG THE ETHIOPIAN NATIONAL RAILWAY LINE OF SEBETA-MIESO (CASE STUDY OF AKAKI RIVER CROSSING DRAINAGE STRUCTURE) . International Journal of Research -GRANTHAALAYAH, 7(9), 123–137. https://doi.org/10.29121/granthaalayah.v7.i9.2019.568