EM PISY; ឯម ពិសី <br/><br/>
Fisheries resource conservation by community based fishery management in upper mekong river, stung treng provice; ការ 

 - Phnom Penh  RUA  009 
 - xv;78p.  ill.  29cm. 
<br/><br/><label>Dewey Class. No.: </label>MGR