THIAB OBAID, shfaa; 						AHMED SALEH, Abdul Jalil.
 origins of the fixed professions and their differentiation.
<strong>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</strong>, [S.l.], v. 24, n. 1, p. 275-319, mar. 2019.
ISSN 1817-6798. Available at: &lt;<a href="http://jtuh.tu.edu.iq/index.php/hum/article/view/344" target="_new">http://jtuh.tu.edu.iq/index.php/hum/article/view/344</a>&gt;. Date accessed: 17 may 2024.
doi: <a href="http://dx.doi.org/10.25130/hum.v24i1.344">http://dx.doi.org/10.25130/hum.v24i1.344</a>.