Tuka Baqir Khudair and Asst. prof. Dr. Elham Jabbar Faris 2020. Mathematical Representations included in the Mathematics Textbook of Second Grade Secondary School. Journal of Arts, Literature, Humanities and Social Sciences. 60 (Oct. 2020), 300-313. DOI:https://doi.org/10.33193/JALHSS.60.2020.320.