Evans, Donald D. ed. Appropriate Technology for Development, a Discussion and Case Histories, ed by D.D.E. and Laurie Nogg Adler. - Boulder Colorado., Westview. 1979 - 482 p. LCCN: 172168 Subjects--Personal Names: Agricultula-Innovaciones Tecnológicas. 2. Desarrollo Rural I. Adler, Laurie N. II. t. Dewey Class. No.: 630.717 E8