sobhy, h. m. (1980). regional planning as a tool of strengthening the national economy. the institute of national planning.
Lua i Stíl Chicago (17ú heag.)sobhy, hoda m. Regional Planning as a Tool of Strengthening the National Economy. cairo: the institute of national planning, 1980.
Lua MLA (9ú heag.)sobhy, hoda m. Regional Planning as a Tool of Strengthening the National Economy. the institute of national planning, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.