Kazem, Hatem Karim, and Ibtisam Haider Musa. 2022. “Using the Time-Directed Benchmarking (TDBM) Technique to Evaluate the Performance Efficiency of Health Units”. Al-Ghary Journal of Economic and Administrative Sciences 18 (1): 339-57. https://doi.org/10.36325/ghjec.v18i1.13973.