Hassan, H. A. (1973). Structural Changes of the Egyptian Industry. The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Hassan, Hassan Abd-Elzaziz. Structural Changes of the Egyptian Industry. Cairo: The Institute of National Planning, 1973.
Lua MLA (9ú heag.)Hassan, Hassan Abd-Elzaziz. Structural Changes of the Egyptian Industry. The Institute of National Planning, 1973.
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