| 1. | An economic study of the determinants of poultry meat production and consumption | |
| Pages 1-15 | ||
| Khaled Abdel Salem Ahmed; Nahed Mohammad Hegazy | ||
| 2. | role of Bedouin women in preserving the natural vegetation in North Sinai | |
| Pages 16-36 | ||
| Yousria Ahmad Allam; Abdu Omaran Mohamed | ||
