TY  - BOOK
AU  - Sevilla, Consuelo G. 
AU  - Ochave, Jesus A. 
AU  - Punsalan, Twila G.
AU  - Regala, Bella P.
AU  - Uriarte, Gabriel G. 
TI  - Research methods
SN  - 971-23-1058-2
U1  - Fil 001.4 R311 1992  
PY  - 1992///.
CY  - Manila
PB  - Rex Book Store
N1  - Includes bibliographical references and index.
ER  -