Jassim, B. M., and M. A. A. G. AL-adimay. “The Effect of a Proposed Strategy According to a Model of Strengthening the Levels of Cognitive Cognition in the Achievement of Second- Intermediate Stage Female Students in Mathematics”. Journal of Tikrit University for Humanities, vol. 29, no. 10, 2, Oct. 2022, pp. 407-24, doi:10.25130/jtuh.29.10.2.2022.19.