Yazar
Jose Trava
5 cilt bulundu.
Cilt sonuçları
Manejo ambientalmente adecuado del agua en la frontera México-Estados Unidos
José Luis Trava Manzanilla · Colegio de la Frontera Norte, Dirección General Académica
180 sayfa · 1991
Management / Water quality management / Water-supply
Río Colorado
José L. Trava · Centro de Estudios Fronterizos del Norte de México
66 sayfa · 1986
Flood control / Water-supply, Agricultural
Waterworks
Ronald G. Cummings, James W. McFarland, Jose Trava, Mohamed El-Ashry · World Resources Inst
51 sayfa · 1989
Government policy / Irrigation farming / Water resources development / Agriculture and state / Food supply