TY  - BOOK
TI  - Tatsulok ang magasing matematika para sa makabagong kabataan 10: Elevated feelings : vol 27 / no. 4 s/y 2021-2022 
SN  - 0118-0355
PY  - 2021///-2022.
CY  - Philippines
PB  - University Press First Asia, 
KW  - Current events.
KW  - periodicals
ER  -