H. A. S. RAZVANCHY; M. A. FAYYADH. STUDY SOIL DEVELOPMENT AND CLASSIFICATION IN ERBIL PROVINCE, KURDISTAN, IRAQ USING MATHEMATICAL INDICES. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, [S. l.], v. 54, n. 6, p. 1802–1813, 2023. DOI: 10.36103/ijas.v54i6.1879. Disponível em: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1879.. Acesso em: 10 may. 2024.