De Belen, Rustico T. <br/><br/>Elements of business and technical writing Rustico T. De Belen, Bernadette B. Enriquez  - First edition  - Quezon City  Jobal Publishing House  2015  - 145 pages <br/><br/><label>Subjects--Topical Terms: </label><br/><br/><label>LC Class. No.: </label>HF 5718.3 D43 2015