Informe anual, 19- 

 - San Juan, P.R.  19- 
 - v.  illus., graphs, plates. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial statistics
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Commerce.<br/>Puerto Rico<br/>Puerto Rico--Statistics.