TY  - BOOK
AU  - Portillo, Reynaldo R.
TI  - Research and technical writing
SN  - 9714203937
U1  - Fil. 001.4 R312  
PY  - 2003///
CY  - Bulacan
PB  - Trinitas Publishing, Inc,. 
KW  - Research
KW  - Technical writing
KW  - Report writing
ER  -