Haessel, Walter W; Heady, Earl O. <br/><br/>
A fire sector model for agricultural development,industrialisation and food aid in a dual economy. 

 - IA :  Iowa State University,  1972. 
 - Rural Development Special Series .
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<br/><br/> The purpose of this study is to investigate the nature of relationships between the agricultural and non-agrigultural sector during the process of agricultural development. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural development.<br/>Industrialisation -- Food aid.--Industrialisation -- Food aid.