Abou El Dahab, M. G. (1967). Methodological Review of Major Agricultural Supply Studies. The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Abou El Dahab, Mohamed Galal. Methodological Review of Major Agricultural Supply Studies. Cairo: The Institute of National Planning, 1967.
Lua MLA (9ú heag.)Abou El Dahab, Mohamed Galal. Methodological Review of Major Agricultural Supply Studies. The Institute of National Planning, 1967.
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