Rubio, Sirus Karl O.   <br/><br/>
Level of performance of language teachers of Mariano Marcos State University  
Sirus Karl O. Rubio 
 -  2016  
 - xii, 53 leaves   28 cm.  
<br/><br/> Thesis (BA in English Language) --  Mariano Marcos State University - College of Arts and Sciences, Batac City   
<br/><br/>Bibliography:  leaves 46-48