yahya hassan, Muhannad, AND 		yahya hassan, Muhannad.
" 'athara aistiemal 'iistratijiat kwl fi aiktisab almafahim alkimiayiyat 'iilaa talmidhat alkhamis alaibtidayiyi fi madat aleulum" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 26 Number 2 (22 March 2019)