Askois, Abdurahman. 2021. “Mental Observation of the Integer Addition Model for Elementary School Students in Baubau City Ikon Diverifikasi Komunitas Buka Di Google Terjemaha”. Jurnal Akademik Pendidikan Matematika 7 (2):108-16. https://doi.org/10.55340/japm.v7i2.438.