"A Fuzzy Analysis Method for Measuring Impact of Some Climatic and Non-climatic Variables on Sorghum Production in Sudan" (2014) University of Kordofan Journal of Natural Resources & Enviromental Studies, 1(01), ص 1–8. موجود في: https://journals.kordofan.edu.sd/jr/index.php/ukjnres/article/view/1 (تاريخ الوصول: 1 يناير 2026).