Howeler, R. H. Save and grow : cassava : a guide to sustainable production intensification / - Rome : Food and Agriculture Organization of the United Nations, 2013. - x, 129 p. : col. ill., col. map ; 26 cm. ISBN: 9789251076415 9251076413 Subjects--Topical Terms: Cassava.Agricultural systems.Sustainable agriculture. Dewey Class. No.: 633 FOO 2013 A038 Or.