TY  - BOOK
AU  - Ariola,Mariano M.
TI  - Principles and methods of research
SN  - 9789712345487
U1  - 001.4 
PY  - 2006///
CY  - Quezon City, Philippines
PB  - Rex Book Store
KW  - Research
N1  - Includes index.
ER  -