Mitra , Amitava  <br/><br/>
Environment and nature-based tourism  An endeavour at sustainability /  [[Book] :] 
Amitava Mitra. 
 - 2 nd ed. 
 - New delhi :  Kanishka publishers, distributors,  2011. 
 - 102 p :  ill ;  22 cm. 
<br/><br/><label>ISBN: </label>9788173915673 
<br/><br/><label>Dewey Class. No.: </label>338.47914404 
<br/><br/><label>National Library of Medicine Call No.: </label>338.47914404  / M E