Tatsulok ang magasing matematika para sa makabagong kabataan 10: So many ways : vol 27 / no. 3 s/y 2021-2022 /
- Philippines: University Press First Asia, S/Y 2021-2022.
- 1 volume; 23 leaves, colored illustrations; 25 cm.
- volume 27 no. 3 0118-0363 .