Estimating The Volume of Surface Runoff of The Seiban Valley Basin Between Wasit And Diyala Governorates. Journal of the College of Basic Education, [S. l.], v. 32, n. 137, p. 748–762, 2026. DOI: 10.35950/cbej.v32i137.15537. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/15537.. Acesso em: 23 aug. 2026.