The Scientific Trips Set Out by Scholars of Marrouzzeen and Baihaq Between each Other in the 5th and 6th Hijrah Centuries. jcois [Internet]. 2020 Mar. 31 [cited 2024 May 19];1(61). Available from: https://jcois.uobaghdad.edu.iq/index.php/2075_8626/article/view/1231