Timmer, W.J. <br/><br/>
The Human side of agriculture:  theory and practice of agricultural extension (with special reference to developing rural communities in the tropics and sub-tropics) / 
byW.J. Timmer 
 - New York:  Vantage Press,  1982 
 - xii,223p.:  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work