Ovenden, A.E. <br/><br/>
Costs and earnings investigations of primary fishing enterprises :    a study of concepts and definitions. 

 - Rome :    Food and Agriculture Organization of the United Nations,    1961. 
 - ix, 60 p. ;    23 cm. 
 - FAO fisheries study ;    no. 10 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Fisheries -- Economic aspects.