Characteristics of Advancement and its Reflection on Advancement Signs in Kalar City. Twejer Journal, Soran, Kurdistan regional Government,Iraq, v. 7, n. 4, p. 952–986, 2025. DOI: 10.31918/twejer.2573.35. Disponível em: https://journals.soran.edu.iq/index.php/Twejer/article/view/1411. Acesso em: 13 sep. 2026.