TY  - BOOK
AU  - De Belen, Rustico T.
AU  - De Belen, Arthur Reiner V.
TI  - Business and technical writing
SN  - 978-971-9667-09-4
U1  - Fil. 651.75 D286 2019 
PY  - 2019///
CY  - Quezon City
PB  - Jobal Publishing House, 
KW  - Business letters
KW  - Technical writing
N1  - Includes bibliographies
ER  -