Avanzada :  boletín informativo de la cooperativa de ahorro y crédito de los maestros de Puerto Rico. 

 - volumes :  illustrations (some color) :  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Credit unions<br/>Cooperative societies<br/>Savings and loan associations
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Periodicals.