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 808.066 D34b 
CY  - Quezon City 
KW  - Business report writing
KW  - Commercial correspondence
KW  - Technical writing
ER  -