ALI, Fatih Akram; HUSSEIN, Bayan Ali. Effect zone analysis of educational services in the city of Darbandikhan for the year (2021-2022) : . Halabja University Journal, [S. l.], v. 7, n. 4, p. 169–190, 2022. DOI: 10.32410/huj-10438. Disponível em: https://huj.uoh.edu.iq/index.php/HUJ/article/view/huj-10438.. Acesso em: 29 may. 2024.