Caliboso, Fredelyn C.; Perdido, Mitzi P.  <br/><br/>
Politeness strategies in approved request letters of student councils in Mariano Marcos State University   
Fredelyn C. Caliboso ;  Mitzi P. Perdido 
 -  2017  
 - x, 65 leaves   28 cm.  
<br/><br/> Thesis (Bachelor of Arts in English Language) -- Mariano Marcos State University - College of Arts & Sciences, Batac City   
<br/><br/>Bibliography:  leaves 50-52