Soil erosion problem in the Rwandz River Basin and ways to address it. Twejer Journal, Soran, Kurdistan regional Government,Iraq, v. 9, n. 4, p. 95–129, 2026. DOI: 10.31918/twejer.2694GSCP.05. Disponível em: https://journals.soran.edu.iq/index.php/Twejer/article/view/2457. Acesso em: 24 sep. 2026.