TY  - BOOK
AU  - Castro, Mark Pol M. 
AU  - Castro, Mark Pol M. 
TI  - The current constitution declares both english and filipino (which is still a tagalog-based language) of the country
U1  - DPer050 M72 January-March 2018 v. 66 no. 8-10 
PY  - 2018///
CY  - Manila, Philippines
PB  - In the Grade School, Inc
ER  -