TY  - BOOK
AU  - Adanza, Estella G.
TI  - Research methods: principles and applications 
SN  - 971-23-1787-0
U1  - Fil 001.4 Ad198 1995 
PY  - 1995///
CY  - Manila
PB  - Rex Book Store
KW  - Research
KW  - Experimental design
KW  - Science-Methodology
N1  - Includes bibliographical references & glossary
ER  -