ALI, Muhannad Yahia Hassan.
 He Effect of the (TRIZ) strategy on the achievement of the fourth-grade student in intermediate schools in Material chemistry.
<strong>Journal of Al-Frahedis Arts | مجلة آداب الفراهيدي</strong>, [S.l.], v. 11, n. 02, p. 440-452, aug. 2019.
ISSN 2663-8118.
Available at: &lt;<a href="http://jaa.tu.edu.iq/index.php/art/article/view/538" target="_new">http://jaa.tu.edu.iq/index.php/art/article/view/538</a>&gt;. Date accessed: 15 aug. 2021.
doi: <a href="http://dx.doi.org/10.25130/art.v1i37.538">http://dx.doi.org/10.25130/art.v1i37.538</a>.