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). Twejer Journal, Soran, Kurdistan regional Government,Iraq, v. 6, n. 1, p. 1582–1627, 2023. DOI: 10.31918/twejer.2361.38. Disponível em: https://journals.soran.edu.iq/index.php/Twejer/article/view/538.. Acesso em: 6 jun. 2026.