TY  - BOOK
AU  - Bacalla, Nemia P.
AU  - Calara, Arlene D.
TI  - Tuklas Lahi 4: Serye sa Araling Panlipunan
SN  - 978-621-8006-17-1
U1  - GSL TB 910 B12 2015 
PY  - 2015///
CY  - Quezon City
PB  - Brilliant Creations Publishing, Inc.
ER  -