Alshatri, Shwan, and Savyia Farouq. 2026. “Errors, Representations, and Instructional Coherence in a Secondary Mathematics Textbook: Evidence from the Grade 10 Curriculum in the Kurdistan Region of Iraq”. Journal of Honai Math 9 (1):167-80. https://doi.org/10.30862/jhm.v9i1.1041.