INVESTIGATION OF THE ECONOMIC DEVELOPMENT OPPORTUNITIES THE GUAYAS RIVER BASIN, ECUADOR: ZONE VI TRANSPORTATION STUDY FOR THE GUAYAS BASIN - S.E. - Ecuador CEDEGE 1970 GUAYAQUIL FOLLETO LCCN: 34087 Subjects--Topical Terms: BABAHOYOCUENCA DEL GUAYASPROYECTOS DE DESARROLLO Dewey Class. No.: 658.404