Hubbard, L. Ron <br/><br/>
Horticulture for a greener world 
L. Ron Hubbard 
 - California  Bridge Publication  2012 
 - 165 
<br/><br/><label>ISBN: </label>9781403198921   
<br/><br/><label>Dewey Class. No.: </label>299.936 H861H