Roling, Niels <br/><br/>
Extension Science Information Systems in Agricultural Development 
Niels Röling 
 - 1st ed. 
 - Cambridge  Cambridge University Press  1988 
 - xii, 233p. 
<br/><br/> This book provides a state-of-the-art examination of the rapidly advancing field of extension science. Professor Roling emphasizes a number of subjects, most importantly the concept of the agricultural information system in which agricultural research extension workers and farmers are linked. 
<br/><br/><label>ISBN: </label>0521348870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work<br/>Information storage and retrieval systems<br/>Technological innovations<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630.715