TY  - BOOK
AU  - Portillo,Reynaldo R.
TI  - Research and technical writing / 
SN  - 971-42-0393-7
U1  - 001.4 R311r 2003 
PY  - 2003///
CY  - Bulacan
PB  - Trinitas Publishing, 
N1  - Includes bibliographical references (pp. 249-253) and index.; 000-099
ER  -