00843nam a2200241 a 4500 AR-ReUNN 20260702145817.0 260701s1992 xxc|||||||||||||||||eng eng Schiller, Eric J. 96759 Sustainable water resources management in arid countries : Middle east and northern África Gestion durable des ressources en eau dans les régions arides : moyen orient et nord de l' afrique Otawa International Water Resources Association; Revue Canadienne D'Études du Développement 1992 232 páginas Sustentabilidad 12690 Agua 7651 Países Áridos 96760 Africa del Norte 18830 Africa Oriental 63024 LIB (GEOC)123963 175904 0 0 0 1 GEOC GEOC GEN 2011-05-16 0 911 (61) = 20 SCH ej.1 43.09-000348 LIB 175904 175904 AR-ReUNN spa AR-ReUNN aacr2 0 0 0 1 GEOC GEOC GEN 2011-05-16 0 911 (61) = 20 SCH ej.1 43.09-000348 LIB