Kula, Erhun <br/><br/>
The economics of forestry :  modern theory and practice / 
Erhun Kula 
 - London :  Croom Helm,  1988 
 - 185 p. ;  22 cm. 
<br/><br/>p. 175-180 
<br/><br/><label>ISBN: </label>0881921238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forests and forestry--Economic aspects