APA Style

Arpilleda, A, J, E. et al (2021). Southeast asian mathematics education journal volume 11 number 2, December 2021 . Yogyakarta: SEAMEO Regional Centre for QITEP in Mathematics.

MLA Style

Arpilleda, Alcher, J.,, Etc. et al. "Southeast asian mathematics education journal volume 11 number 2, December 2021". Yogyakarta: SEAMEO Regional Centre for QITEP in Mathematics, 2021. Text.