Hasan, Maha.
" The Impact of the strategy (cross-plan-folk) in the Collection of Mathematics and the Development of Conceptual Absorption Among the Fifth-Grade Female Biological Students" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 26 Number 4 (29 June 2019)