Traditional irrigation in the Andes of Ecuador : 1. Research and Planning, 2. Dysfunctions and rehabilitations Afro-asian regional conference /Le Goulven, Patrick /Ruf, Thierry Ribadeneira, H. IRRIGATION TECHNIQUE TRADITIONNELLE HISTOIRE INTERVENTION DE L'ETAT STRATEGIE DE DEVELOPPEMENT PROGRAMME DE RECHERCHE METHODOLOGIE RESSOURCES EN EAU GESTION SYSTEME AGRAIRE AGRICULTURE EXTENSIVE BESOIN EN EAU ZARI ICID 1989 text https://www.documentation.ird.fr/hor/fdi:010004846 fdi:010004846 Le Goulven Patrick, Ruf Thierry, Ribadeneira H.. Traditional irrigation in the Andes of Ecuador : 1. Research and Planning, 2. Dysfunctions and rehabilitations. In : . Afro-asian regional conference ICID, 1989, 351-371 Afro-Asian Regional Conference of the International Commission on Irrigation and Drainage, 7., Tokyo (JPN), 1989/10/15-25 EN EQUATEUR ANDES