Ayyad, Mohamed A.

Systems analysis of mediterranean desert ecosystems of northern Egypt, Samdene

1978 Ayyad, Mohamed A. |

Habitat diversity : Egypt

1993 Ayyad, Mohamed A. | Kassas, Mohammed | Springuel, I. | Zahran, M. |

Conservation and management of natural heritage in Arab countries : proceedings of the third Regional training course

1996 Ayyad, Mohamed A. | Kassas, Mohammed | Ghabbūr, Samīr Ibrāhīm |

The state of the rural environment in developing countries: problems, solutions and research priorities : a third Symposium for Environmental Sciences in Developing Countries, Environmental Considerations in Rural Development, summary proceedings

Ghabbūr, Samīr Ibrāhīm | Ayyad, Mohamed A. |
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