Weldon, George P. <br/><br/>
Economic biology and vocational education  : A study of agriculture and zoology 
/ by George P. Weldon 
 - Delhi:   Daya Publishing House,   1995. 
 - ix, 457p. 
<br/><br/><label>ISBN: </label>8170351391 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Lepidoptera<br/>Life science<br/>Vocational education
<br/><br/><label>Dewey Class. No.: </label>574.6  / WEL/E