Sendero Pionero. 

 - volumes :  illustrations (black and white) ;  28 cm.  
<br/><br/><label>Subjects--Corporate Names: </label><br/>Pontificia Universidad Católica de Puerto Rico. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>College students
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Periodicals.