Perez, Concepcion <br/><br/>
Libro de ejercicios de Espa�ol, Spanish one-two / 
Concepcion Perez, Lourdes Lecaroz. 
 - Rev. ed 
 - Manila :  U.S.T. Cooperative,  1978-83. 
 - 2 v. : ill. 
 - U.S.T. textbook series .
<br/><br/> Includes appendices. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language--Composition and exercises<br/>Spanish language--Grammar