Hammam, Ezz El Din Economics of agricultural production and resource use / Ezz El Din Hammam - Cairo : INP , 1963 - 2 pts. : ill. ; 27 cm. - Part 2. Planning under ferfect knowledge . Includes bibliographical references and index. Subjects--Topical Terms: Agriculture--EgyptAgricultural productionCrops Dewey Class. No.: 633.1 / HAM-2