Progress in research 19 -19 

 - Ottawa :  (s.e.),  19 - 
 - v.  : ilus. 
<br/><br/> La biblioteca tiene: 1982,1983,1984,1986,1987 
<br/><br/><label>LCCN: </label>72120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Canadá.<br/>Agricultura--Investigacion--Canada.<br/>Canadá--Agricultura.
<br/><br/><label>Dewey Class. No.: </label>630.720971  / C3