Franzel S. Trees on the Farm assessing the adoption potential of Agroforestry practices in Africa S. Franzel S.Franzel - UK: CABI publishing, 2002. - ix, 197 p. : Includes index ISBN: 851995616 Subjects--Topical Terms: _Agroforestry practice LC Class. No.: S 494.5 A454 T74 2002