Somying Piumsombun <br/><br/>
Bio-economic modelling of pla-tu in the Gulf of Thailand  [microform] / 
by Somying Piumsombun 
 - Ottawa :  National Library of Canada,  1992 
 - 3 microfiches ;  11 X 15 cm. 
<br/><br/>Thesis (Ph.D.) - Simon Fraser University, 1992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fishing--Thailand<br/>Marine fishes--Thailand