Bermúdez Guzmán, Irma L. <br/><br/>
Twenty years of Dr. Fries linguistic method in Puerto Rico 
Irma L. Bermúdez Guzmán. 
 -  1970. 
 - 115 p.  ill. 
<br/><br/>Thesis (M.A.E.) - Catholic University of Puerto Rico. 
<br/><br/>Bibliography : p. 111-115. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Pontificia Universidad Católica de Puerto Rico--Dissertations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Spanish speakers.
<br/><br/><label>LC Class. No.: </label>HD4013