Terry, E. R. Tropical root crops; production and uses in Africa - Ottawa : International Development Research Center, 1984 - 231 p. : ilus. ; gráfs. - IDRC - 221e . - IDRC - 221e . LCCN: 45418 Subjects--Topical Terms: Cultivos tropicales.Cultivos--Africa.Tubérculos y cultivos de raíz. Dewey Class. No.: 633.4 / T4