“Formal Function of Guiding Sign in the Design of Interior Spaces of Airports: أسـامـة غانـم نـوري -أحمـد ناجــي علــي”. Al-Academy , no. 97 (September 15, 2020): 391–408. Accessed November 23, 2024. https://jcofarts.uobaghdad.edu.iq/index.php/jcofarts/article/view/539.