Efficiency of educational services in the city of Chamchamal: (A study in the geography of services). Raparin Journal of Humanities (RJH), [S. l.], v. 10, n. 2, p. 358–388, 2023. DOI: 10.26750/Vol(10).No(2).Paper15. Disponível em: https://journal.uor.edu.krd/index.php/JUR/article/view/1026. Acesso em: 14 jan. 2026.