Formal Function of Guiding Sign in the design of Interior Spaces of Airports: أسـامـة غانـم نـوري -أحمـد ناجــي علــي. jcofarts [Internet]. 2020 Sep. 15 [cited 2025 Sep. 13];(97):391-408. Available from: https://www.jcofarts.uobaghdad.edu.iq/index.php/jcofarts/article/view/539