Assefa, T., Telila, E., Aynabeba, T. ., Abireham, B. ., & Zeleke, B. . (2025). Assessment of Deferred Maintenance Impacts on Flexible Pavements in Hawassa City and Countermeasure Strategies Using the HDM-4 Mode. Ethiopian Journal of Engineering and Technology, 4, 213-228. https://doi.org/10.82127/ejet.v4i.1864