Spatial congruence of the distribution of fuel filling stations in the city of Soran according to the criteria of distance and concentration (a study in urban geography). TW [اینترنت]. 20 آگوست 2023 [ارجاع شده 24 سپتامبر 2026];6(1):1582-627. قابل دسترس در: https://journals.soran.edu.iq/index.php/Twejer/article/view/538