Informe anual... = Annual report... 

 - [San Juan, P.R.]  19- 
 - v.  illus., plates, tables, annual. 
<br/><br/> Report year ends June 30. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public utilities--Puerto rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico