RIJA, Jinan.
 The Impact Of The Teaching Strategy Based On The Method Of Solving Problems In The Acquisition Of Concepts In Mathematics Fourth Grade Students Scientific For The Second Semester Of the Academic Year  (2016 - 2017).
<strong>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</strong>, [S.l.], v. 26, n. 4, p. 476-492, june 2019.
ISSN 1817-6798. Available at: &lt;<a href="http://jtuh.tu.edu.iq/index.php/hum/article/view/634" target="_new">http://jtuh.tu.edu.iq/index.php/hum/article/view/634</a>&gt;. Date accessed: 18 may 2024.
doi: <a href="http://dx.doi.org/10.25130/hum.v26i4.634">http://dx.doi.org/10.25130/hum.v26i4.634</a>.