Khan, Himayatullah. <br/><br/>
Demand for eco-tourism :  estimating recreational benefits from the margalla hills national park in northen pakistan  
/ by Himayatullah Khan. 
 - Nepal :  South Asian Network  for Development and Environmental Economics.  2004. 
 - 35 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>9993382647 
<br/><br/><label>Dewey Class. No.: </label>333.7 HIM  / 2084