Laud, Shawn Raven A. <br/><br/>
Problems in writing business letters: basis in developing a training proposal in business writing / 
Shawn Raven A. Laud 
 - City of Batac :  MMSU,  2023. 
 - xii, 109 leaves :  28 cm. 
<br/><br/> Thesis (BA in English Language) -- Mariano Marcos State University - College of Arts & Sciences, City of Batac, 2023. 
<br/><br/>Bibliography: leaves 66-81