Ahmad, Buthayna. “The Effect of Services Qualification Criteria on Customers’ Satisfaction: A Field Study in the General State of Communication And Post Office Services in Nineveh”. TANMIYAT AL-RAFIDAIN 34, no. 109 (September 1, 2012): 29–43. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/tanmiyat/article/view/29783.