HASSAN, Lubna.
 The Effect of Flexible Groups Strategy on Developing Tolerance Value for Fourth Secondary Class Students in Islamic Education.
<strong>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</strong>, [S.l.], v. 26, n. 5, p. 388-369, sep. 2019.
ISSN 1817-6798. Available at: &lt;<a href="https://jtuh.tu.edu.iq/index.php/hum/article/view/664" target="_new">https://jtuh.tu.edu.iq/index.php/hum/article/view/664</a>&gt;. Date accessed: 18 may 2024.
doi: <a href="http://dx.doi.org/10.25130/hum.v26i5.664">http://dx.doi.org/10.25130/hum.v26i5.664</a>.