Weldon, George P. <br/><br/>
Economic biology and vocational education :  A study of agrictular and zoology / 
by  George P. Weldon 
 - Delhi :  Daya publishing house,  1995 
 - xi, 457p. :  ili. ;  21cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>8170351391 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic Biology
<br/><br/><label>Dewey Class. No.: </label>578.6  / WEE 1995