H.ALI, S. UTM coordinates correction between WGS84 and Clarke 1880 ellipsiod in Mosul by using GPS. Journal of Education and Science, [S. l.], v. 17, n. 4, p. 142–153, 2005. DOI: 10.33899/edusj.2005.83061. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41232. Acesso em: 10 sep. 2025.