Mohmed، F. E. A. A. A. (2016). Using GIS Technology to Desing Quantitative Dots Thematic Maps: Acase Study Population Distribution Coding Central States in Sudan. المجلة العلمية، ع17 ، 17 - 34. مسترجع من http://search.mandumah.com/Record/867720
Mohmed، Fakhar Eddian Ahmed Abd Alla. "Using GIS Technology to Desing Quantitative Dots Thematic Maps: Acase Study Population Distribution Coding Central States in Sudan." المجلة العلمية ع17 (2016): 17 - 34. مسترجع من http://search.mandumah.com/Record/867720