TY  - BOOK
AU  - Gonzales,MaMinerva A.
TI  - Teaching strategies in the social sciences for elementary grades / 
SN  - 971-150-076-0
U1  - Fil 372.8 T221t 1989 
PY  - 1989///
CY  - Quezon City
PB  - Katha Publishing, 
N1  - Includes bibliographical references (pp. 92-94).; 300-399
ER  -