Author = Gehan El-Sayed
| Number of Articles: 1 | ||
| 1 | Criteria of Social Sustainability and Its Relation to Achieving Appropriate Population Density inside Urban Districts in Great Cairo | |
| Volume 40, No 2, March and April 2012, Page 621-637 | ||
| Noha Ahmed Nabil; Gehan El-Sayed | ||
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