KhazrajiInstr. Ph.D., N. 2018. The effect of Strategy ofsimilarities in the development of visual thinking for mathematics at the primary school pupils. ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES. 225 (3) (Jun. 2018), 55-76. DOI:https://doi.org/10.36473/al-ustath.2018.0.225 (3).55-76.