Kohls Richard L. (Richard Louis) 1921- Marketing Of Agricultural Products / Richard Kohls and Joseph N. Uhl. - 9th ed. - Prentice Hall , Upper Saddle River Nj : 2002. - xiii, 544 pages. : illustrations 24cm - 0 . Includes index ENG ISBN: 0130105848 (Hbk) Subjects--Topical Terms: --Price analysis