.م . د حنان عبد الرضا طاهر. 2023. “Efficiency of Health Development Services in the Presence of Warka District Center for the Year 2021”. Al-Qadisiyah Journal For Humanities Sciences 25 (4), 301-14. https://journalart.qu.edu.iq/index.php/QJHS/article/view/617.