Better freshwater fish farming 

 - Rome :   FAO,  1981. 
 - 48p.  : ill.   ; 21cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fish<br/>Culture<br/>Aquaculture
<br/><br/><label>LC Class. No.: </label>UNO SH159.F62