Zaki Naji, H., Abdul Razzaq, S. and Adnan , , S. 2019. APPLICATION OF NON PREEMPTIVE PRIORITY QUEUING FOR BASRAH COMMERCIAL PORTS. Al-Qadisiyah Journal of Pure Science. 24, 3 (Nov. 2019). DOI:https://doi.org/10.29350/jops.2019.24.3.967.