Report of the fifth session of the working party on resource evaluation, Dakar, Senegal, 15-17 October 1980 

 - Rome :  FAO,  1981. 
 - vi, 127 p. :  ill 
 - FAO Fisheries Report :  No.244 .
<br/><br/> kepunyaan PTSL 
<br/><br/><label>ISBN: </label>9251010617