De Belen, Rustico T. <br/><br/>
Business and technical writing / 
Rustico T. De Belen, Arthur Reiner V. De Belen 
 - Quezon City:  Jobal Publishing House,   2019 
 - iv, 158p. 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>978-971-9667-09-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business letters<br/>Technical writing
<br/><br/><label>Dewey Class. No.: </label>Fil. 651.75 D286 2019