FREZGHI, H., SINGH, B. and OGBAZGHI, W. (2020) “Ratio of catchment to cultivated area for different slopes under runoff farming of sorghum at Hamelmalo, Eritrea”, Journal of Soil and Water Conservation, 18(1). Available at: https://epubs.icar.org.in/index.php/JSWC/article/view/107872 (Accessed: 3 July 2026).