TY - BOOK AU - Colman,David AU - Trevor,Young TI - Principles of agricultural economics: markets and prices in less developed countries T2 - Wye Studies in agricultural and rural development SN - 0521334306 (hb) AV - HD1417 COL PY - 1989/// PB - Cambridge University Press KW - Agriculture KW - Economic aspects KW - Developing countries KW - Agriculture prices N1 - Includes bibliographical references and index ER -