Barker, J. W. Agricultural marketing / John Barker. - 2nd ed. - Oxford ; New York : Oxford University Press, 1989. - ix, 250 p. : ill. ; - Oxford science publications . ISBN: 0198594933 0198594925 (pbk.) Subjects--Topical Terms: Farm produce--Marketing. LC Class. No.: HD9011.5 / .B35 1989