Norton, Roger D., 1942- The competitiveness of tropical agriculture : a guide to competitive potential with case studies / Roger D. Norton, with Amy Angel ... [et al.]. - USA : Academic Press is an imprint of Elsevier, 2017. - x, 335 p. : ill. ; 23 cm. Includes bibliographical references and index ISBN: 9780128053126 Subjects--Topical Terms: Agriculture--Tropics. Competition. Tropical crops.