TY  - BOOK
AU  - Mactal, Ronaldo B.
TI  - Padayon : : araling panlipunan sa siglo 21 (kasaysayan ng daigdig) 
SN  - 9789710636129
U1  - Fil. 499.211 M113p 2015 
PY  - 2015///
CY  - Quezon City, Philippines : 
PB  - Phoenix Publishing House, 
KW  - 1. Social Studies--Study and Teaching
N1  - Includes index
ER  -