The Regional Organization for the Conservation of the Environment of the Red Sea and Gulf of Aden (PERSGA) 13 Avis Jeddah General Administration of Projects and Maintenance 239 Avis Al-Qassim The National Center for Vegetation Development and Combating Desertification 405 Avis Riyadh Al-Leith Hospital 3 Avis Jeddah United Nations Industrial Development Organization - UNIDO 3 Avis International Lire la suite