Horton, Douglas E. Potatoes : production, marketing, and programs for developing countries - London : Westview, 1987 - 243 p. : ilus., gráfs. 27-85 LCCN: 68202 Subjects--Topical Terms: Papa--Mercadeo.Papa--Países subdesarrollados.Papa--Rendimiento. Dewey Class. No.: 635.21 / H67