TY  - BOOK
AU  - De Belen, Rustico T., De Belen, Arthur Reiner V. 
TI  - Business & Technical Writing 
SN  - 978-971-9667-09-4
U1  - Fil. 651.7 D286 C2019  
PY  - 2019///
CY  - Quezon City 
PB  - Jobal Publishing House 
ER  -