USER22, user2; 						SHARAR, M. Nada Zidan.
 The importance of trade in the Umayyad era.
<strong>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</strong>, [S.l.], v. 23, n. 12, p. 55-76, apr. 2019.
ISSN 1817-6798. Available at: &lt;<a href="https://jtuh.tu.edu.iq/index.php/hum/article/view/472" target="_new">https://jtuh.tu.edu.iq/index.php/hum/article/view/472</a>&gt;. Date accessed: 22 july 2024.
doi: <a href="http://dx.doi.org/10.25130/hum.v23i12.472">http://dx.doi.org/10.25130/hum.v23i12.472</a>.