| 1. | Vegetation characteristics and environmental gradients of Musa Mountain in Saint Katherine Protectorate, South Sinai, Egypt | |
| Pages 66-82 | ||
| Om Mohamed Khafagi; Mohamed Moursy; Hany Marghany; asmaa zaghloul | ||
| 2. | The reality of business incubators in supporting entrepreneurship for youth in the Arab world in light of the challenges of the business environment | |
| Pages 83-110 | ||
| Osama Abd Ellatief; Helmy Al-Qamati | ||