TY - BOOK AU - Penson,John B. TI - Introduction to agricultural economics SN - 9780131592483 AV - HD1415 .I619 2010 PY - 2010/// CY - Upper Saddle River, N.J. PB - Pearson Prentice Hall KW - Agriculture KW - Economic aspects N1 - Earlier editions entered under: Penson, John B; Includes bibliographical references and index ER -