Summonds, Norman W. <br/><br/>
Farming systems research: A review. 

 - Washington :  World Bank,  1985. 
<br/><br/> World Bank Technical Paper No.43. 
<br/><br/> This report reviews the history of this approach and attempts to define its scope, in both a broad and a narrow sense. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farming Systems.<br/>Agricultural systems -- Agricultural research.--Agricultural systems -- Agricultural research.