Khalil MI. The Effect of Using the Sixdimensional Strategy (PDEODE) in the Collection of Third-average Students and Providing them with Mathematical Concepts. J. Tikrit U Hum. [Internet]. 2020 Jan. 26 [cited 2026 Jun. 27];27(1):327-44. Available from: https://jtuh.org/index.php/jtuh/article/view/1206