Nabeel Abdulqahar, S., I. Abdulwahab, M., & K. Hummadi, K. (2019). Reuse of Spent Hydrotreating Catalyst of the Middle Petroleum Fractions. Iraqi Journal of Chemical and Petroleum Engineering, 20(1), 15-22. https://doi.org/10.31699/IJCPE.2019.1.3