Karang Gading-Langkat Timur Laut Wildlife Reserve (North Sumatra) :  survey report / 
by Wim Giesen and Sukotjo 
 - Bogor :  Asian Wetland Bureau,  1991 
 - [52]  p. :  ill. ;  27 cm. 
 - PHPA/AWB Sumatra wetland project report ;  no. 10 .
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wetland conservation--Economic aspects--Indonesia